68997840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{287491}}^1$

素因数の和:287507

約数の個数: 40

約数和(自身を含む): 213894048

約数和(自身を除く): 144896208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 287491, 574982, 862473, 1149964, 1437455, 1724946, 2299928, 2874910, 3449892, 4312365, 4599856, 5749820, 6899784, 8624730, 11499640, 13799568, 17249460, 22999280, 34498920, 68997840]

約数ペア:

[(1, 68997840), (2, 34498920), (3, 22999280), (4, 17249460), (5, 13799568), (6, 11499640), (8, 8624730), (10, 6899784), (12, 5749820), (15, 4599856), (16, 4312365), (20, 3449892), (24, 2874910), (30, 2299928), (40, 1724946), (48, 1437455), (60, 1149964), (80, 862473), (120, 574982), (240, 287491)]