1260705985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1447}}^1$

素因数の和:1574

約数の個数: 64

約数和(自身を含む): 1975025664

約数和(自身を除く): 714319679

約数列:

[1, 5, 7, 11, 31, 35, 55, 73, 77, 155, 217, 341, 365, 385, 511, 803, 1085, 1447, 1705, 2263, 2387, 2555, 4015, 5621, 7235, 10129, 11315, 11935, 15841, 15917, 24893, 28105, 44857, 50645, 79205, 79585, 105631, 111419, 124465, 174251, 224285, 313999, 493427, 528155, 557095, 739417, 871255, 1161941, 1569995, 2467135, 3274561, 3453989, 3697085, 5809705, 8133587, 16372805, 17269945, 22921927, 36020171, 40667935, 114609635, 180100855, 252141197, 1260705985]

約数ペア:

[(1, 1260705985), (5, 252141197), (7, 180100855), (11, 114609635), (31, 40667935), (35, 36020171), (55, 22921927), (73, 17269945), (77, 16372805), (155, 8133587), (217, 5809705), (341, 3697085), (365, 3453989), (385, 3274561), (511, 2467135), (803, 1569995), (1085, 1161941), (1447, 871255), (1705, 739417), (2263, 557095), (2387, 528155), (2555, 493427), (4015, 313999), (5621, 224285), (7235, 174251), (10129, 124465), (11315, 111419), (11935, 105631), (15841, 79585), (15917, 79205), (24893, 50645), (28105, 44857)]