72702280

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{757}}^1$

素因数の和:796

約数の個数: 80

約数和(自身を含む): 191084220

約数和(自身を除く): 118381940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 757, 980, 1372, 1514, 1715, 1960, 2401, 2744, 3028, 3430, 3785, 4802, 5299, 6056, 6860, 7570, 9604, 10598, 12005, 13720, 15140, 19208, 21196, 24010, 26495, 30280, 37093, 42392, 48020, 52990, 74186, 96040, 105980, 148372, 185465, 211960, 259651, 296744, 370930, 519302, 741860, 1038604, 1298255, 1483720, 1817557, 2077208, 2596510, 3635114, 5193020, 7270228, 9087785, 10386040, 14540456, 18175570, 36351140, 72702280]

約数ペア:

[(1, 72702280), (2, 36351140), (4, 18175570), (5, 14540456), (7, 10386040), (8, 9087785), (10, 7270228), (14, 5193020), (20, 3635114), (28, 2596510), (35, 2077208), (40, 1817557), (49, 1483720), (56, 1298255), (70, 1038604), (98, 741860), (140, 519302), (196, 370930), (245, 296744), (280, 259651), (343, 211960), (392, 185465), (490, 148372), (686, 105980), (757, 96040), (980, 74186), (1372, 52990), (1514, 48020), (1715, 42392), (1960, 37093), (2401, 30280), (2744, 26495), (3028, 24010), (3430, 21196), (3785, 19208), (4802, 15140), (5299, 13720), (6056, 12005), (6860, 10598), (7570, 9604)]