71664560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 160

約数和(自身を含む): 195416064

約数和(自身を除く): 123751504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 37, 40, 44, 55, 62, 71, 74, 80, 88, 110, 124, 142, 148, 155, 176, 185, 220, 248, 284, 296, 310, 341, 355, 370, 407, 440, 496, 568, 592, 620, 682, 710, 740, 781, 814, 880, 1136, 1147, 1240, 1364, 1420, 1480, 1562, 1628, 1705, 2035, 2201, 2294, 2480, 2627, 2728, 2840, 2960, 3124, 3256, 3410, 3905, 4070, 4402, 4588, 5254, 5456, 5680, 5735, 6248, 6512, 6820, 7810, 8140, 8804, 9176, 10508, 11005, 11470, 12496, 12617, 13135, 13640, 15620, 16280, 17608, 18352, 21016, 22010, 22940, 24211, 25234, 26270, 27280, 28897, 31240, 32560, 35216, 42032, 44020, 45880, 48422, 50468, 52540, 57794, 62480, 63085, 81437, 88040, 91760, 96844, 100936, 105080, 115588, 121055, 126170, 144485, 162874, 176080, 193688, 201872, 210160, 231176, 242110, 252340, 288970, 325748, 387376, 407185, 462352, 484220, 504680, 577940, 651496, 814370, 895807, 968440, 1009360, 1155880, 1302992, 1628740, 1791614, 1936880, 2311760, 3257480, 3583228, 4479035, 6514960, 7166456, 8958070, 14332912, 17916140, 35832280, 71664560]

約数ペア:

[(1, 71664560), (2, 35832280), (4, 17916140), (5, 14332912), (8, 8958070), (10, 7166456), (11, 6514960), (16, 4479035), (20, 3583228), (22, 3257480), (31, 2311760), (37, 1936880), (40, 1791614), (44, 1628740), (55, 1302992), (62, 1155880), (71, 1009360), (74, 968440), (80, 895807), (88, 814370), (110, 651496), (124, 577940), (142, 504680), (148, 484220), (155, 462352), (176, 407185), (185, 387376), (220, 325748), (248, 288970), (284, 252340), (296, 242110), (310, 231176), (341, 210160), (355, 201872), (370, 193688), (407, 176080), (440, 162874), (496, 144485), (568, 126170), (592, 121055), (620, 115588), (682, 105080), (710, 100936), (740, 96844), (781, 91760), (814, 88040), (880, 81437), (1136, 63085), (1147, 62480), (1240, 57794), (1364, 52540), (1420, 50468), (1480, 48422), (1562, 45880), (1628, 44020), (1705, 42032), (2035, 35216), (2201, 32560), (2294, 31240), (2480, 28897), (2627, 27280), (2728, 26270), (2840, 25234), (2960, 24211), (3124, 22940), (3256, 22010), (3410, 21016), (3905, 18352), (4070, 17608), (4402, 16280), (4588, 15620), (5254, 13640), (5456, 13135), (5680, 12617), (5735, 12496), (6248, 11470), (6512, 11005), (6820, 10508), (7810, 9176), (8140, 8804)]