1279202220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{789631}}^1$

素因数の和:789652

約数の個数: 60

約数和(自身を含む): 4012909824

約数和(自身を除く): 2733707604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 789631, 1579262, 2368893, 3158524, 3948155, 4737786, 7106679, 7896310, 9475572, 11844465, 14213358, 15792620, 21320037, 23688930, 28426716, 35533395, 42640074, 47377860, 63960111, 71066790, 85280148, 106600185, 127920222, 142133580, 213200370, 255840444, 319800555, 426400740, 639601110, 1279202220]

約数ペア:

[(1, 1279202220), (2, 639601110), (3, 426400740), (4, 319800555), (5, 255840444), (6, 213200370), (9, 142133580), (10, 127920222), (12, 106600185), (15, 85280148), (18, 71066790), (20, 63960111), (27, 47377860), (30, 42640074), (36, 35533395), (45, 28426716), (54, 23688930), (60, 21320037), (81, 15792620), (90, 14213358), (108, 11844465), (135, 9475572), (162, 7896310), (180, 7106679), (270, 4737786), (324, 3948155), (405, 3158524), (540, 2368893), (810, 1579262), (1620, 789631)]