16728720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1621}}^1$

素因数の和:1680

約数の個数: 80

約数和(自身を含む): 53097792

約数和(自身を除く): 36369072

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, 1621, 1720, 2064, 2580, 3242, 3440, 4863, 5160, 6484, 8105, 9726, 10320, 12968, 16210, 19452, 24315, 25936, 32420, 38904, 48630, 64840, 69703, 77808, 97260, 129680, 139406, 194520, 209109, 278812, 348515, 389040, 418218, 557624, 697030, 836436, 1045545, 1115248, 1394060, 1672872, 2091090, 2788120, 3345744, 4182180, 5576240, 8364360, 16728720]

約数ペア:

[(1, 16728720), (2, 8364360), (3, 5576240), (4, 4182180), (5, 3345744), (6, 2788120), (8, 2091090), (10, 1672872), (12, 1394060), (15, 1115248), (16, 1045545), (20, 836436), (24, 697030), (30, 557624), (40, 418218), (43, 389040), (48, 348515), (60, 278812), (80, 209109), (86, 194520), (120, 139406), (129, 129680), (172, 97260), (215, 77808), (240, 69703), (258, 64840), (344, 48630), (430, 38904), (516, 32420), (645, 25936), (688, 24315), (860, 19452), (1032, 16210), (1290, 12968), (1621, 10320), (1720, 9726), (2064, 8105), (2580, 6484), (3242, 5160), (3440, 4863)]