Q: What is the sum of all factors of the number 660,780 including 660,780?

Why is 2,004,912 the sum of all factors of 660,780, including 660,780?

The factors of the number 660,780 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 3671, 7342, 11013, 14684, 18355, 22026, 33039, 36710, 44052, 55065, 66078, 73420, 110130, 132156, 165195, 220260, 330390, 660780.

If you add them up, you will get the total of 2,004,912.

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