Q: What is the sum of all factors of the number 1,261,620 including 1,261,620?
A: 3,939,936
The factors of the number 1,261,620 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 163, 172, 180, 215, 258, 326, 387, 430, 489, 516, 645, 652, 774, 815, 860, 978, 1290, 1467, 1548, 1630, 1935, 1956, 2445, 2580, 2934, 3260, 3870, 4890, 5868, 7009, 7335, 7740, 9780, 14018, 14670, 21027, 28036, 29340, 35045, 42054, 63081, 70090, 84108, 105135, 126162, 140180, 210270, 252324, 315405, 420540, 630810, 1261620.
If you add them up, you will get the total of 3,939,936.