31804740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16063}}^1$

素因数の和:16089

約数の個数: 72

約数和(自身を含む): 105251328

約数和(自身を除く): 73446588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 16063, 32126, 48189, 64252, 80315, 96378, 144567, 160630, 176693, 192756, 240945, 289134, 321260, 353386, 481890, 530079, 578268, 706772, 722835, 883465, 963780, 1060158, 1445670, 1590237, 1766930, 2120316, 2650395, 2891340, 3180474, 3533860, 5300790, 6360948, 7951185, 10601580, 15902370, 31804740]

約数ペア:

[(1, 31804740), (2, 15902370), (3, 10601580), (4, 7951185), (5, 6360948), (6, 5300790), (9, 3533860), (10, 3180474), (11, 2891340), (12, 2650395), (15, 2120316), (18, 1766930), (20, 1590237), (22, 1445670), (30, 1060158), (33, 963780), (36, 883465), (44, 722835), (45, 706772), (55, 578268), (60, 530079), (66, 481890), (90, 353386), (99, 321260), (110, 289134), (132, 240945), (165, 192756), (180, 176693), (198, 160630), (220, 144567), (330, 96378), (396, 80315), (495, 64252), (660, 48189), (990, 32126), (1980, 16063)]