The word(s) "arm" appears 77 time(s) in 71 verse(s) in Quran in Muhammad Habib Shakir translation.

(31) But if you turn back, then indeed I have delivered to you the message with which I have been sent to you, and my Lord will bring another people in your place, and you cannot do Him any harm; surely my Lord is the Preserver of all things.

(32) Say: Who is the Lord of the heavens and the earth?-- Say: Allah. Say: Do you take then besides Him guardians who do not control any profit or harm for themselves? Say: Are the blind and the seeing alike? Or can the darkness and the light be equal? Or have they set up with Allah associates who have created creation like His, so that what is created became confused to them? Say: Allah is the Creator of all things, and He is the One, the Supreme.

(33) And He created the cattle for you; you have in them warm clothing and (many) advantages, and of them do you eat.

(34) And Allah has made for you of what He has created shelters, and He has given you in the mountains places of retreat, and He has given you garments to preserve you from the heat and coats of mail to preserve you in your fighting; even thus does He complete His favor upon you, that haply you may submit.

(35) And Firon followed them with his armies, so there came upon them of the sea that which came upon them.

(36) What! could they not see that it did not return to them a reply, and (that) it did not control any harm or benefit for them?

(37) He said: What! do you then serve besides Allah what brings you not any benefit at all, nor does it harm you?

(38) And Ayub, when he cried to his Lord, (saying): Harm has afflicted me, and Thou art the most Merciful of the merciful.

(39) Therefore We responded to him and took off what harm he had, and We gave him his family and the like of them with them: a mercy from Us and a reminder to the worshippers.

(40) He calls besides Allah upon that which does not harm him and that which does not profit him, that is the great straying.