18117840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5807}}^1$

素因数の和:5836

約数の個数: 80

約数和(自身を含む): 60496128

約数和(自身を除く): 42378288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 5807, 11614, 17421, 23228, 29035, 34842, 46456, 58070, 69684, 75491, 87105, 92912, 116140, 139368, 150982, 174210, 226473, 232280, 278736, 301964, 348420, 377455, 452946, 464560, 603928, 696840, 754910, 905892, 1132365, 1207856, 1393680, 1509820, 1811784, 2264730, 3019640, 3623568, 4529460, 6039280, 9058920, 18117840]

約数ペア:

[(1, 18117840), (2, 9058920), (3, 6039280), (4, 4529460), (5, 3623568), (6, 3019640), (8, 2264730), (10, 1811784), (12, 1509820), (13, 1393680), (15, 1207856), (16, 1132365), (20, 905892), (24, 754910), (26, 696840), (30, 603928), (39, 464560), (40, 452946), (48, 377455), (52, 348420), (60, 301964), (65, 278736), (78, 232280), (80, 226473), (104, 174210), (120, 150982), (130, 139368), (156, 116140), (195, 92912), (208, 87105), (240, 75491), (260, 69684), (312, 58070), (390, 46456), (520, 34842), (624, 29035), (780, 23228), (1040, 17421), (1560, 11614), (3120, 5807)]