Q: What is the sum of all factors of the number 1,227,760 excluding 1,227,760?

A: 1,673,840

Why is 1,673,840 the sum of all factors of 1,227,760, excluding 1,227,760?

The factors of the number 1,227,760 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 149, 206, 298, 412, 515, 596, 745, 824, 1030, 1192, 1490, 1648, 2060, 2384, 2980, 4120, 5960, 8240, 11920, 15347, 30694, 61388, 76735, 122776, 153470, 245552, 306940, 613880, 1227760.

If you add them up, you will get the total of 1,227,761. Now subtract 1,227,760 to get 1,673,840