Q: What is the sum of all factors of the number 613,560 excluding 613,560?

Why is 1,227,480 the sum of all factors of 613,560, excluding 613,560?

The factors of the number 613,560 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5113, 10226, 15339, 20452, 25565, 30678, 40904, 51130, 61356, 76695, 102260, 122712, 153390, 204520, 306780, 613560.

If you add them up, you will get the total of 613,561. Now subtract 613,560 to get 1,227,480

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