68996760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{82139}}^1$

素因数の和:82160

約数の個数: 64

約数和(自身を含む): 236563200

約数和(自身を除く): 167566440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 82139, 164278, 246417, 328556, 410695, 492834, 574973, 657112, 821390, 985668, 1149946, 1232085, 1642780, 1724919, 1971336, 2299892, 2464170, 2874865, 3285560, 3449838, 4599784, 4928340, 5749730, 6899676, 8624595, 9856680, 11499460, 13799352, 17249190, 22998920, 34498380, 68996760]

約数ペア:

[(1, 68996760), (2, 34498380), (3, 22998920), (4, 17249190), (5, 13799352), (6, 11499460), (7, 9856680), (8, 8624595), (10, 6899676), (12, 5749730), (14, 4928340), (15, 4599784), (20, 3449838), (21, 3285560), (24, 2874865), (28, 2464170), (30, 2299892), (35, 1971336), (40, 1724919), (42, 1642780), (56, 1232085), (60, 1149946), (70, 985668), (84, 821390), (105, 657112), (120, 574973), (140, 492834), (168, 410695), (210, 328556), (280, 246417), (420, 164278), (840, 82139)]