131643040

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^2\times {\mathrm{601}}^1$

素因数の和:690

約数の個数: 72

約数和(自身を含む): 320171292

約数和(自身を除く): 188528252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 601, 740, 1184, 1202, 1369, 1480, 2404, 2738, 2960, 3005, 4808, 5476, 5920, 6010, 6845, 9616, 10952, 12020, 13690, 19232, 21904, 22237, 24040, 27380, 43808, 44474, 48080, 54760, 88948, 96160, 109520, 111185, 177896, 219040, 222370, 355792, 444740, 711584, 822769, 889480, 1645538, 1778960, 3291076, 3557920, 4113845, 6582152, 8227690, 13164304, 16455380, 26328608, 32910760, 65821520, 131643040]

約数ペア:

[(1, 131643040), (2, 65821520), (4, 32910760), (5, 26328608), (8, 16455380), (10, 13164304), (16, 8227690), (20, 6582152), (32, 4113845), (37, 3557920), (40, 3291076), (74, 1778960), (80, 1645538), (148, 889480), (160, 822769), (185, 711584), (296, 444740), (370, 355792), (592, 222370), (601, 219040), (740, 177896), (1184, 111185), (1202, 109520), (1369, 96160), (1480, 88948), (2404, 54760), (2738, 48080), (2960, 44474), (3005, 43808), (4808, 27380), (5476, 24040), (5920, 22237), (6010, 21904), (6845, 19232), (9616, 13690), (10952, 12020)]