1626660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1291}}^1$

素因数の和:1313

約数の個数: 72

約数和(自身を含む): 5643456

約数和(自身を除く): 4016796

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, 1291, 2582, 3873, 5164, 6455, 7746, 9037, 11619, 12910, 15492, 18074, 19365, 23238, 25820, 27111, 36148, 38730, 45185, 46476, 54222, 58095, 77460, 81333, 90370, 108444, 116190, 135555, 162666, 180740, 232380, 271110, 325332, 406665, 542220, 813330, 1626660]

約数ペア:

[(1, 1626660), (2, 813330), (3, 542220), (4, 406665), (5, 325332), (6, 271110), (7, 232380), (9, 180740), (10, 162666), (12, 135555), (14, 116190), (15, 108444), (18, 90370), (20, 81333), (21, 77460), (28, 58095), (30, 54222), (35, 46476), (36, 45185), (42, 38730), (45, 36148), (60, 27111), (63, 25820), (70, 23238), (84, 19365), (90, 18074), (105, 15492), (126, 12910), (140, 11619), (180, 9037), (210, 7746), (252, 6455), (315, 5164), (420, 3873), (630, 2582), (1260, 1291)]