Q: What is the sum of all factors of the number 840,120 including 840,120?

Why is 2,520,720 the sum of all factors of 840,120, including 840,120?

The factors of the number 840,120 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 7001, 14002, 21003, 28004, 35005, 42006, 56008, 70010, 84012, 105015, 140020, 168024, 210030, 280040, 420060, 840120.

If you add them up, you will get the total of 2,520,720.

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