138504720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13421}}^1$

素因数の和:13480

約数の個数: 80

約数和(自身を含む): 439382592

約数和(自身を除く): 300877872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 13421, 26842, 40263, 53684, 67105, 80526, 107368, 134210, 161052, 201315, 214736, 268420, 322104, 402630, 536840, 577103, 644208, 805260, 1073680, 1154206, 1610520, 1731309, 2308412, 2885515, 3221040, 3462618, 4616824, 5771030, 6925236, 8656545, 9233648, 11542060, 13850472, 17313090, 23084120, 27700944, 34626180, 46168240, 69252360, 138504720]

約数ペア:

[(1, 138504720), (2, 69252360), (3, 46168240), (4, 34626180), (5, 27700944), (6, 23084120), (8, 17313090), (10, 13850472), (12, 11542060), (15, 9233648), (16, 8656545), (20, 6925236), (24, 5771030), (30, 4616824), (40, 3462618), (43, 3221040), (48, 2885515), (60, 2308412), (80, 1731309), (86, 1610520), (120, 1154206), (129, 1073680), (172, 805260), (215, 644208), (240, 577103), (258, 536840), (344, 402630), (430, 322104), (516, 268420), (645, 214736), (688, 201315), (860, 161052), (1032, 134210), (1290, 107368), (1720, 80526), (2064, 67105), (2580, 53684), (3440, 40263), (5160, 26842), (10320, 13421)]