15856680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:503

約数の個数: 128

約数和(自身を含む): 55756800

約数和(自身を除く): 39900120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 439, 516, 602, 645, 840, 860, 878, 903, 1032, 1204, 1290, 1317, 1505, 1720, 1756, 1806, 2195, 2408, 2580, 2634, 3010, 3073, 3512, 3612, 4390, 4515, 5160, 5268, 6020, 6146, 6585, 7224, 8780, 9030, 9219, 10536, 12040, 12292, 13170, 15365, 17560, 18060, 18438, 18877, 24584, 26340, 30730, 36120, 36876, 37754, 46095, 52680, 56631, 61460, 73752, 75508, 92190, 94385, 113262, 122920, 132139, 151016, 184380, 188770, 226524, 264278, 283155, 368760, 377540, 396417, 453048, 528556, 566310, 660695, 755080, 792834, 1057112, 1132620, 1321390, 1585668, 1982085, 2265240, 2642780, 3171336, 3964170, 5285560, 7928340, 15856680]

約数ペア:

[(1, 15856680), (2, 7928340), (3, 5285560), (4, 3964170), (5, 3171336), (6, 2642780), (7, 2265240), (8, 1982085), (10, 1585668), (12, 1321390), (14, 1132620), (15, 1057112), (20, 792834), (21, 755080), (24, 660695), (28, 566310), (30, 528556), (35, 453048), (40, 396417), (42, 377540), (43, 368760), (56, 283155), (60, 264278), (70, 226524), (84, 188770), (86, 184380), (105, 151016), (120, 132139), (129, 122920), (140, 113262), (168, 94385), (172, 92190), (210, 75508), (215, 73752), (258, 61460), (280, 56631), (301, 52680), (344, 46095), (420, 37754), (430, 36876), (439, 36120), (516, 30730), (602, 26340), (645, 24584), (840, 18877), (860, 18438), (878, 18060), (903, 17560), (1032, 15365), (1204, 13170), (1290, 12292), (1317, 12040), (1505, 10536), (1720, 9219), (1756, 9030), (1806, 8780), (2195, 7224), (2408, 6585), (2580, 6146), (2634, 6020), (3010, 5268), (3073, 5160), (3512, 4515), (3612, 4390)]