Q: What is the sum of all factors of the number 666,360 excluding 666,360?

A: 1,558,440

Why is 1,558,440 the sum of all factors of 666,360, excluding 666,360?

The factors of the number 666,360 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 617, 1080, 1234, 1851, 2468, 3085, 3702, 4936, 5553, 6170, 7404, 9255, 11106, 12340, 14808, 16659, 18510, 22212, 24680, 27765, 33318, 37020, 44424, 55530, 66636, 74040, 83295, 111060, 133272, 166590, 222120, 333180, 666360.

If you add them up, you will get the total of 666,361. Now subtract 666,360 to get 1,558,440