68587640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:453

約数の個数: 96

約数和(自身を含む): 174666240

約数和(自身を除く): 106078600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 121, 148, 185, 220, 242, 296, 370, 383, 407, 440, 484, 605, 740, 766, 814, 968, 1210, 1480, 1532, 1628, 1915, 2035, 2420, 3064, 3256, 3830, 4070, 4213, 4477, 4840, 7660, 8140, 8426, 8954, 14171, 15320, 16280, 16852, 17908, 21065, 22385, 28342, 33704, 35816, 42130, 44770, 46343, 56684, 70855, 84260, 89540, 92686, 113368, 141710, 155881, 168520, 179080, 185372, 231715, 283420, 311762, 370744, 463430, 566840, 623524, 779405, 926860, 1247048, 1558810, 1714691, 1853720, 3117620, 3429382, 6235240, 6858764, 8573455, 13717528, 17146910, 34293820, 68587640]

約数ペア:

[(1, 68587640), (2, 34293820), (4, 17146910), (5, 13717528), (8, 8573455), (10, 6858764), (11, 6235240), (20, 3429382), (22, 3117620), (37, 1853720), (40, 1714691), (44, 1558810), (55, 1247048), (74, 926860), (88, 779405), (110, 623524), (121, 566840), (148, 463430), (185, 370744), (220, 311762), (242, 283420), (296, 231715), (370, 185372), (383, 179080), (407, 168520), (440, 155881), (484, 141710), (605, 113368), (740, 92686), (766, 89540), (814, 84260), (968, 70855), (1210, 56684), (1480, 46343), (1532, 44770), (1628, 42130), (1915, 35816), (2035, 33704), (2420, 28342), (3064, 22385), (3256, 21065), (3830, 17908), (4070, 16852), (4213, 16280), (4477, 15320), (4840, 14171), (7660, 8954), (8140, 8426)]