817565580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349387}}^1$

素因数の和:349415

約数の個数: 72

約数和(自身を含む): 2670721872

約数和(自身を除く): 1853156292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 349387, 698774, 1048161, 1397548, 1746935, 2096322, 3144483, 3493870, 4192644, 4542031, 5240805, 6288966, 6987740, 9084062, 10481610, 12577932, 13626093, 15722415, 18168124, 20963220, 22710155, 27252186, 31444830, 40878279, 45420310, 54504372, 62889660, 68130465, 81756558, 90840620, 136260930, 163513116, 204391395, 272521860, 408782790, 817565580]

約数ペア:

[(1, 817565580), (2, 408782790), (3, 272521860), (4, 204391395), (5, 163513116), (6, 136260930), (9, 90840620), (10, 81756558), (12, 68130465), (13, 62889660), (15, 54504372), (18, 45420310), (20, 40878279), (26, 31444830), (30, 27252186), (36, 22710155), (39, 20963220), (45, 18168124), (52, 15722415), (60, 13626093), (65, 12577932), (78, 10481610), (90, 9084062), (117, 6987740), (130, 6288966), (156, 5240805), (180, 4542031), (195, 4192644), (234, 3493870), (260, 3144483), (390, 2096322), (468, 1746935), (585, 1397548), (780, 1048161), (1170, 698774), (2340, 349387)]