Q: What is the sum of all factors of the number 82,320 excluding 82,320?

 A: 215,280

Why is 215,280 the sum of all factors of 82,320, excluding 82,320?

The factors of the number 82,320 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 392, 420, 490, 560, 588, 686, 735, 784, 840, 980, 1029, 1176, 1372, 1470, 1680, 1715, 1960, 2058, 2352, 2744, 2940, 3430, 3920, 4116, 5145, 5488, 5880, 6860, 8232, 10290, 11760, 13720, 16464, 20580, 27440, 41160, 82320.

If you add them up, you will get the total of 82,535. Now subtract 82,320 to get 215,280


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