72864880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2671}}^1$

素因数の和:2726

約数の個数: 80

約数和(自身を含む): 190844928

約数和(自身を除く): 117980048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2671, 2728, 3410, 5342, 5456, 6820, 10684, 13355, 13640, 21368, 26710, 27280, 29381, 42736, 53420, 58762, 82801, 106840, 117524, 146905, 165602, 213680, 235048, 293810, 331204, 414005, 470096, 587620, 662408, 828010, 910811, 1175240, 1324816, 1656020, 1821622, 2350480, 3312040, 3643244, 4554055, 6624080, 7286488, 9108110, 14572976, 18216220, 36432440, 72864880]

約数ペア:

[(1, 72864880), (2, 36432440), (4, 18216220), (5, 14572976), (8, 9108110), (10, 7286488), (11, 6624080), (16, 4554055), (20, 3643244), (22, 3312040), (31, 2350480), (40, 1821622), (44, 1656020), (55, 1324816), (62, 1175240), (80, 910811), (88, 828010), (110, 662408), (124, 587620), (155, 470096), (176, 414005), (220, 331204), (248, 293810), (310, 235048), (341, 213680), (440, 165602), (496, 146905), (620, 117524), (682, 106840), (880, 82801), (1240, 58762), (1364, 53420), (1705, 42736), (2480, 29381), (2671, 27280), (2728, 26710), (3410, 21368), (5342, 13640), (5456, 13355), (6820, 10684)]