80197620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43117}}^1$

素因数の和:43160

約数の個数: 48

約数和(自身を含む): 231802368

約数和(自身を除く): 151604748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 43117, 86234, 129351, 172468, 215585, 258702, 431170, 517404, 646755, 862340, 1293510, 1336627, 2587020, 2673254, 4009881, 5346508, 6683135, 8019762, 13366270, 16039524, 20049405, 26732540, 40098810, 80197620]

約数ペア:

[(1, 80197620), (2, 40098810), (3, 26732540), (4, 20049405), (5, 16039524), (6, 13366270), (10, 8019762), (12, 6683135), (15, 5346508), (20, 4009881), (30, 2673254), (31, 2587020), (60, 1336627), (62, 1293510), (93, 862340), (124, 646755), (155, 517404), (186, 431170), (310, 258702), (372, 215585), (465, 172468), (620, 129351), (930, 86234), (1860, 43117)]