Q: What is the sum of all factors of the number 215,520 excluding 215,520?

A: 464,880

Why is 464,880 the sum of all factors of 215,520, excluding 215,520?

The factors of the number 215,520 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 449, 480, 898, 1347, 1796, 2245, 2694, 3592, 4490, 5388, 6735, 7184, 8980, 10776, 13470, 14368, 17960, 21552, 26940, 35920, 43104, 53880, 71840, 107760, 215520.

If you add them up, you will get the total of 215,984. Now subtract 215,520 to get 464,880