76557880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3851}}^1$

素因数の和:3940

約数の個数: 64

約数和(自身を含む): 199687680

約数和(自身を除く): 123129800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3851, 3976, 4970, 7702, 9940, 15404, 19255, 19880, 26957, 30808, 38510, 53914, 77020, 107828, 134785, 154040, 215656, 269570, 273421, 539140, 546842, 1078280, 1093684, 1367105, 1913947, 2187368, 2734210, 3827894, 5468420, 7655788, 9569735, 10936840, 15311576, 19139470, 38278940, 76557880]

約数ペア:

[(1, 76557880), (2, 38278940), (4, 19139470), (5, 15311576), (7, 10936840), (8, 9569735), (10, 7655788), (14, 5468420), (20, 3827894), (28, 2734210), (35, 2187368), (40, 1913947), (56, 1367105), (70, 1093684), (71, 1078280), (140, 546842), (142, 539140), (280, 273421), (284, 269570), (355, 215656), (497, 154040), (568, 134785), (710, 107828), (994, 77020), (1420, 53914), (1988, 38510), (2485, 30808), (2840, 26957), (3851, 19880), (3976, 19255), (4970, 15404), (7702, 9940)]