245398440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{292141}}^1$

素因数の和:292162

約数の個数: 64

約数和(自身を含む): 841368960

約数和(自身を除く): 595970520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 292141, 584282, 876423, 1168564, 1460705, 1752846, 2044987, 2337128, 2921410, 3505692, 4089974, 4382115, 5842820, 6134961, 7011384, 8179948, 8764230, 10224935, 11685640, 12269922, 16359896, 17528460, 20449870, 24539844, 30674805, 35056920, 40899740, 49079688, 61349610, 81799480, 122699220, 245398440]

約数ペア:

[(1, 245398440), (2, 122699220), (3, 81799480), (4, 61349610), (5, 49079688), (6, 40899740), (7, 35056920), (8, 30674805), (10, 24539844), (12, 20449870), (14, 17528460), (15, 16359896), (20, 12269922), (21, 11685640), (24, 10224935), (28, 8764230), (30, 8179948), (35, 7011384), (40, 6134961), (42, 5842820), (56, 4382115), (60, 4089974), (70, 3505692), (84, 2921410), (105, 2337128), (120, 2044987), (140, 1752846), (168, 1460705), (210, 1168564), (280, 876423), (420, 584282), (840, 292141)]