399173520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1663223}}^1$

素因数の和:1663239

約数の個数: 40

約数和(自身を含む): 1237438656

約数和(自身を除く): 838265136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1663223, 3326446, 4989669, 6652892, 8316115, 9979338, 13305784, 16632230, 19958676, 24948345, 26611568, 33264460, 39917352, 49896690, 66528920, 79834704, 99793380, 133057840, 199586760, 399173520]

約数ペア:

[(1, 399173520), (2, 199586760), (3, 133057840), (4, 99793380), (5, 79834704), (6, 66528920), (8, 49896690), (10, 39917352), (12, 33264460), (15, 26611568), (16, 24948345), (20, 19958676), (24, 16632230), (30, 13305784), (40, 9979338), (48, 8316115), (60, 6652892), (80, 4989669), (120, 3326446), (240, 1663223)]