31633980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{691}}^1$

素因数の和:819

約数の個数: 96

約数和(自身を含む): 102305280

約数和(自身を除く): 70671300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 109, 140, 210, 218, 327, 420, 436, 545, 654, 691, 763, 1090, 1308, 1382, 1526, 1635, 2073, 2180, 2289, 2764, 3052, 3270, 3455, 3815, 4146, 4578, 4837, 6540, 6910, 7630, 8292, 9156, 9674, 10365, 11445, 13820, 14511, 15260, 19348, 20730, 22890, 24185, 29022, 41460, 45780, 48370, 58044, 72555, 75319, 96740, 145110, 150638, 225957, 290220, 301276, 376595, 451914, 527233, 753190, 903828, 1054466, 1129785, 1506380, 1581699, 2108932, 2259570, 2636165, 3163398, 4519140, 5272330, 6326796, 7908495, 10544660, 15816990, 31633980]

約数ペア:

[(1, 31633980), (2, 15816990), (3, 10544660), (4, 7908495), (5, 6326796), (6, 5272330), (7, 4519140), (10, 3163398), (12, 2636165), (14, 2259570), (15, 2108932), (20, 1581699), (21, 1506380), (28, 1129785), (30, 1054466), (35, 903828), (42, 753190), (60, 527233), (70, 451914), (84, 376595), (105, 301276), (109, 290220), (140, 225957), (210, 150638), (218, 145110), (327, 96740), (420, 75319), (436, 72555), (545, 58044), (654, 48370), (691, 45780), (763, 41460), (1090, 29022), (1308, 24185), (1382, 22890), (1526, 20730), (1635, 19348), (2073, 15260), (2180, 14511), (2289, 13820), (2764, 11445), (3052, 10365), (3270, 9674), (3455, 9156), (3815, 8292), (4146, 7630), (4578, 6910), (4837, 6540)]