2628760120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{47657}}^1$

素因数の和:47872

約数の個数: 64

約数和(自身を含む): 6794124480

約数和(自身を除く): 4165364360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1576, 1970, 2758, 3940, 5516, 6895, 7880, 11032, 13790, 27580, 47657, 55160, 95314, 190628, 238285, 333599, 381256, 476570, 667198, 953140, 1334396, 1667995, 1906280, 2668792, 3335990, 6671980, 9388429, 13343960, 18776858, 37553716, 46942145, 65719003, 75107432, 93884290, 131438006, 187768580, 262876012, 328595015, 375537160, 525752024, 657190030, 1314380060, 2628760120]

約数ペア:

[(1, 2628760120), (2, 1314380060), (4, 657190030), (5, 525752024), (7, 375537160), (8, 328595015), (10, 262876012), (14, 187768580), (20, 131438006), (28, 93884290), (35, 75107432), (40, 65719003), (56, 46942145), (70, 37553716), (140, 18776858), (197, 13343960), (280, 9388429), (394, 6671980), (788, 3335990), (985, 2668792), (1379, 1906280), (1576, 1667995), (1970, 1334396), (2758, 953140), (3940, 667198), (5516, 476570), (6895, 381256), (7880, 333599), (11032, 238285), (13790, 190628), (27580, 95314), (47657, 55160)]