Why is 1,680 the sum of all factors of 728, including 728?
The factors of the number 728 are: 1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728.
If you add them up, you will get the total of 1,680.
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