Q: What is the sum of all factors of the number 315,720 excluding 315,720?

A: 711,540

Why is 711,540 the sum of all factors of 315,720, excluding 315,720?

The factors of the number 315,720 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 877, 1754, 2631, 3508, 4385, 5262, 7016, 7893, 8770, 10524, 13155, 15786, 17540, 21048, 26310, 31572, 35080, 39465, 52620, 63144, 78930, 105240, 157860, 315720.

If you add them up, you will get the total of 316,431. Now subtract 315,720 to get 711,540