68623280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2689}}^1$

素因数の和:2742

約数の個数: 80

約数和(自身を含む): 180122400

約数和(自身を除く): 111499120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 2689, 3190, 5104, 5378, 6380, 10756, 12760, 13445, 21512, 25520, 26890, 29579, 43024, 53780, 59158, 77981, 107560, 118316, 147895, 155962, 215120, 236632, 295790, 311924, 389905, 473264, 591580, 623848, 779810, 857791, 1183160, 1247696, 1559620, 1715582, 2366320, 3119240, 3431164, 4288955, 6238480, 6862328, 8577910, 13724656, 17155820, 34311640, 68623280]

約数ペア:

[(1, 68623280), (2, 34311640), (4, 17155820), (5, 13724656), (8, 8577910), (10, 6862328), (11, 6238480), (16, 4288955), (20, 3431164), (22, 3119240), (29, 2366320), (40, 1715582), (44, 1559620), (55, 1247696), (58, 1183160), (80, 857791), (88, 779810), (110, 623848), (116, 591580), (145, 473264), (176, 389905), (220, 311924), (232, 295790), (290, 236632), (319, 215120), (440, 155962), (464, 147895), (580, 118316), (638, 107560), (880, 77981), (1160, 59158), (1276, 53780), (1595, 43024), (2320, 29579), (2552, 26890), (2689, 25520), (3190, 21512), (5104, 13445), (5378, 12760), (6380, 10756)]