Q: What is the sum of all factors of the number 1,277,680 excluding 1,277,680?
A: 1,693,112
The factors of the number 1,277,680 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15971, 31942, 63884, 79855, 127768, 159710, 255536, 319420, 638840, 1277680.
If you add them up, you will get the total of 1,277,681. Now subtract 1,277,680 to get 1,693,112