72981690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{563}}^1$

素因数の和:751

約数の個数: 64

約数和(自身を含む): 182736000

約数和(自身を除く): 109754310

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 149, 174, 290, 298, 435, 447, 563, 745, 870, 894, 1126, 1490, 1689, 2235, 2815, 3378, 4321, 4470, 5630, 8445, 8642, 12963, 16327, 16890, 21605, 25926, 32654, 43210, 48981, 64815, 81635, 83887, 97962, 129630, 163270, 167774, 244905, 251661, 419435, 489810, 503322, 838870, 1258305, 2432723, 2516610, 4865446, 7298169, 12163615, 14596338, 24327230, 36490845, 72981690]

約数ペア:

[(1, 72981690), (2, 36490845), (3, 24327230), (5, 14596338), (6, 12163615), (10, 7298169), (15, 4865446), (29, 2516610), (30, 2432723), (58, 1258305), (87, 838870), (145, 503322), (149, 489810), (174, 419435), (290, 251661), (298, 244905), (435, 167774), (447, 163270), (563, 129630), (745, 97962), (870, 83887), (894, 81635), (1126, 64815), (1490, 48981), (1689, 43210), (2235, 32654), (2815, 25926), (3378, 21605), (4321, 16890), (4470, 16327), (5630, 12963), (8445, 8642)]