71399680

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{461}}^1$

素因数の和:504

約数の個数: 108

約数和(自身を含む): 188393436

約数和(自身を除く): 116993756

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 320, 352, 440, 461, 484, 605, 640, 704, 880, 922, 968, 1210, 1280, 1408, 1760, 1844, 1936, 2305, 2420, 2816, 3520, 3688, 3872, 4610, 4840, 5071, 7040, 7376, 7744, 9220, 9680, 10142, 14080, 14752, 15488, 18440, 19360, 20284, 25355, 29504, 30976, 36880, 38720, 40568, 50710, 55781, 59008, 73760, 77440, 81136, 101420, 111562, 118016, 147520, 154880, 162272, 202840, 223124, 278905, 295040, 324544, 405680, 446248, 557810, 590080, 649088, 811360, 892496, 1115620, 1298176, 1622720, 1784992, 2231240, 3245440, 3569984, 4462480, 6490880, 7139968, 8924960, 14279936, 17849920, 35699840, 71399680]

約数ペア:

[(1, 71399680), (2, 35699840), (4, 17849920), (5, 14279936), (8, 8924960), (10, 7139968), (11, 6490880), (16, 4462480), (20, 3569984), (22, 3245440), (32, 2231240), (40, 1784992), (44, 1622720), (55, 1298176), (64, 1115620), (80, 892496), (88, 811360), (110, 649088), (121, 590080), (128, 557810), (160, 446248), (176, 405680), (220, 324544), (242, 295040), (256, 278905), (320, 223124), (352, 202840), (440, 162272), (461, 154880), (484, 147520), (605, 118016), (640, 111562), (704, 101420), (880, 81136), (922, 77440), (968, 73760), (1210, 59008), (1280, 55781), (1408, 50710), (1760, 40568), (1844, 38720), (1936, 36880), (2305, 30976), (2420, 29504), (2816, 25355), (3520, 20284), (3688, 19360), (3872, 18440), (4610, 15488), (4840, 14752), (5071, 14080), (7040, 10142), (7376, 9680), (7744, 9220)]