Q: What is the sum of all factors of the number 361,680 excluding 361,680?

A: 870,384

Why is 870,384 the sum of all factors of 361,680, excluding 361,680?

The factors of the number 361,680 are: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 137, 165, 176, 220, 240, 264, 274, 330, 411, 440, 528, 548, 660, 685, 822, 880, 1096, 1320, 1370, 1507, 1644, 2055, 2192, 2640, 2740, 3014, 3288, 4110, 4521, 5480, 6028, 6576, 7535, 8220, 9042, 10960, 12056, 15070, 16440, 18084, 22605, 24112, 30140, 32880, 36168, 45210, 60280, 72336, 90420, 120560, 180840, 361680.

If you add them up, you will get the total of 362,550. Now subtract 361,680 to get 870,384