68858240

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9781}}^1$

素因数の和:9811

約数の個数: 64

約数和(自身を含む): 179597520

約数和(自身を除く): 110739280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 9781, 19562, 39124, 48905, 78248, 97810, 107591, 156496, 195620, 215182, 312992, 391240, 430364, 537955, 625984, 782480, 860728, 1075910, 1251968, 1564960, 1721456, 2151820, 3129920, 3442912, 4303640, 6259840, 6885824, 8607280, 13771648, 17214560, 34429120, 68858240]

約数ペア:

[(1, 68858240), (2, 34429120), (4, 17214560), (5, 13771648), (8, 8607280), (10, 6885824), (11, 6259840), (16, 4303640), (20, 3442912), (22, 3129920), (32, 2151820), (40, 1721456), (44, 1564960), (55, 1251968), (64, 1075910), (80, 860728), (88, 782480), (110, 625984), (128, 537955), (160, 430364), (176, 391240), (220, 312992), (320, 215182), (352, 195620), (440, 156496), (640, 107591), (704, 97810), (880, 78248), (1408, 48905), (1760, 39124), (3520, 19562), (7040, 9781)]