90123138

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7691}}^1$

素因数の和:7740

約数の個数: 64

約数和(自身を含む): 236298240

約数和(自身を除く): 146175102

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 62, 63, 93, 126, 186, 189, 217, 279, 378, 434, 558, 651, 837, 1302, 1674, 1953, 3906, 5859, 7691, 11718, 15382, 23073, 46146, 53837, 69219, 107674, 138438, 161511, 207657, 238421, 323022, 415314, 476842, 484533, 715263, 969066, 1430526, 1453599, 1668947, 2145789, 2907198, 3337894, 4291578, 5006841, 6437367, 10013682, 12874734, 15020523, 30041046, 45061569, 90123138]

約数ペア:

[(1, 90123138), (2, 45061569), (3, 30041046), (6, 15020523), (7, 12874734), (9, 10013682), (14, 6437367), (18, 5006841), (21, 4291578), (27, 3337894), (31, 2907198), (42, 2145789), (54, 1668947), (62, 1453599), (63, 1430526), (93, 969066), (126, 715263), (186, 484533), (189, 476842), (217, 415314), (279, 323022), (378, 238421), (434, 207657), (558, 161511), (651, 138438), (837, 107674), (1302, 69219), (1674, 53837), (1953, 46146), (3906, 23073), (5859, 15382), (7691, 11718)]