156943540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:881

約数の個数: 72

約数和(自身を含む): 363394080

約数和(自身を除く): 206450540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 169, 236, 260, 295, 338, 590, 676, 767, 787, 845, 1180, 1534, 1574, 1690, 3068, 3148, 3380, 3835, 3935, 7670, 7870, 9971, 10231, 15340, 15740, 19942, 20462, 39884, 40924, 46433, 49855, 51155, 92866, 99710, 102310, 133003, 185732, 199420, 204620, 232165, 266006, 464330, 532012, 603629, 665015, 928660, 1207258, 1330030, 2414516, 2660060, 3018145, 6036290, 7847177, 12072580, 15694354, 31388708, 39235885, 78471770, 156943540]

約数ペア:

[(1, 156943540), (2, 78471770), (4, 39235885), (5, 31388708), (10, 15694354), (13, 12072580), (20, 7847177), (26, 6036290), (52, 3018145), (59, 2660060), (65, 2414516), (118, 1330030), (130, 1207258), (169, 928660), (236, 665015), (260, 603629), (295, 532012), (338, 464330), (590, 266006), (676, 232165), (767, 204620), (787, 199420), (845, 185732), (1180, 133003), (1534, 102310), (1574, 99710), (1690, 92866), (3068, 51155), (3148, 49855), (3380, 46433), (3835, 40924), (3935, 39884), (7670, 20462), (7870, 19942), (9971, 15740), (10231, 15340)]