Q: What is the sum of all factors of the number 771,480 excluding 771,480?

A: 1,737,000

Why is 1,737,000 the sum of all factors of 771,480, excluding 771,480?

The factors of the number 771,480 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 2143, 4286, 6429, 8572, 10715, 12858, 17144, 19287, 21430, 25716, 32145, 38574, 42860, 51432, 64290, 77148, 85720, 96435, 128580, 154296, 192870, 257160, 385740, 771480.

If you add them up, you will get the total of 771,481. Now subtract 771,480 to get 1,737,000