390103380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69911}}^1$

素因数の和:69957

約数の個数: 72

約数和(自身を含む): 1221502464

約数和(自身を除く): 831399084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 69911, 139822, 209733, 279644, 349555, 419466, 629199, 699110, 838932, 1048665, 1258398, 1398220, 2097330, 2167241, 2516796, 3145995, 4194660, 4334482, 6291990, 6501723, 8668964, 10836205, 12583980, 13003446, 19505169, 21672410, 26006892, 32508615, 39010338, 43344820, 65017230, 78020676, 97525845, 130034460, 195051690, 390103380]

約数ペア:

[(1, 390103380), (2, 195051690), (3, 130034460), (4, 97525845), (5, 78020676), (6, 65017230), (9, 43344820), (10, 39010338), (12, 32508615), (15, 26006892), (18, 21672410), (20, 19505169), (30, 13003446), (31, 12583980), (36, 10836205), (45, 8668964), (60, 6501723), (62, 6291990), (90, 4334482), (93, 4194660), (124, 3145995), (155, 2516796), (180, 2167241), (186, 2097330), (279, 1398220), (310, 1258398), (372, 1048665), (465, 838932), (558, 699110), (620, 629199), (930, 419466), (1116, 349555), (1395, 279644), (1860, 209733), (2790, 139822), (5580, 69911)]