1666119420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1322317}}^1$

素因数の和:1322339

約数の個数: 72

約数和(自身を含む): 5775885024

約数和(自身を除く): 4109765604

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1322317, 2644634, 3966951, 5289268, 6611585, 7933902, 9256219, 11900853, 13223170, 15867804, 18512438, 19834755, 23801706, 26446340, 27768657, 37024876, 39669510, 46281095, 47603412, 55537314, 59504265, 79339020, 83305971, 92562190, 111074628, 119008530, 138843285, 166611942, 185124380, 238017060, 277686570, 333223884, 416529855, 555373140, 833059710, 1666119420]

約数ペア:

[(1, 1666119420), (2, 833059710), (3, 555373140), (4, 416529855), (5, 333223884), (6, 277686570), (7, 238017060), (9, 185124380), (10, 166611942), (12, 138843285), (14, 119008530), (15, 111074628), (18, 92562190), (20, 83305971), (21, 79339020), (28, 59504265), (30, 55537314), (35, 47603412), (36, 46281095), (42, 39669510), (45, 37024876), (60, 27768657), (63, 26446340), (70, 23801706), (84, 19834755), (90, 18512438), (105, 15867804), (126, 13223170), (140, 11900853), (180, 9256219), (210, 7933902), (252, 6611585), (315, 5289268), (420, 3966951), (630, 2644634), (1260, 1322317)]