68279920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1549}}^1$

素因数の和:1610

約数の個数: 80

約数和(自身を含む): 172980000

約数和(自身を除く): 104700080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 464, 551, 580, 760, 1102, 1160, 1520, 1549, 2204, 2320, 2755, 3098, 4408, 5510, 6196, 7745, 8816, 11020, 12392, 15490, 22040, 24784, 29431, 30980, 44080, 44921, 58862, 61960, 89842, 117724, 123920, 147155, 179684, 224605, 235448, 294310, 359368, 449210, 470896, 588620, 718736, 853499, 898420, 1177240, 1706998, 1796840, 2354480, 3413996, 3593680, 4267495, 6827992, 8534990, 13655984, 17069980, 34139960, 68279920]

約数ペア:

[(1, 68279920), (2, 34139960), (4, 17069980), (5, 13655984), (8, 8534990), (10, 6827992), (16, 4267495), (19, 3593680), (20, 3413996), (29, 2354480), (38, 1796840), (40, 1706998), (58, 1177240), (76, 898420), (80, 853499), (95, 718736), (116, 588620), (145, 470896), (152, 449210), (190, 359368), (232, 294310), (290, 235448), (304, 224605), (380, 179684), (464, 147155), (551, 123920), (580, 117724), (760, 89842), (1102, 61960), (1160, 58862), (1520, 44921), (1549, 44080), (2204, 30980), (2320, 29431), (2755, 24784), (3098, 22040), (4408, 15490), (5510, 12392), (6196, 11020), (7745, 8816)]