Q: What is the sum of all factors of the number 108,240 excluding 108,240?

A: 266,736

Why is 266,736 the sum of all factors of 108,240, excluding 108,240?

The factors of the number 108,240 are: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 41, 44, 48, 55, 60, 66, 80, 82, 88, 110, 120, 123, 132, 164, 165, 176, 205, 220, 240, 246, 264, 328, 330, 410, 440, 451, 492, 528, 615, 656, 660, 820, 880, 902, 984, 1230, 1320, 1353, 1640, 1804, 1968, 2255, 2460, 2640, 2706, 3280, 3608, 4510, 4920, 5412, 6765, 7216, 9020, 9840, 10824, 13530, 18040, 21648, 27060, 36080, 54120, 108240.

If you add them up, you will get the total of 108,506. Now subtract 108,240 to get 266,736