140272720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2341}}^1$

素因数の和:2468

約数の個数: 80

約数和(自身を含む): 376368768

約数和(自身を除く): 236096048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 280, 428, 535, 560, 749, 856, 1070, 1498, 1712, 2140, 2341, 2996, 3745, 4280, 4682, 5992, 7490, 8560, 9364, 11705, 11984, 14980, 16387, 18728, 23410, 29960, 32774, 37456, 46820, 59920, 65548, 81935, 93640, 131096, 163870, 187280, 250487, 262192, 327740, 500974, 655480, 1001948, 1252435, 1310960, 1753409, 2003896, 2504870, 3506818, 4007792, 5009740, 7013636, 8767045, 10019480, 14027272, 17534090, 20038960, 28054544, 35068180, 70136360, 140272720]

約数ペア:

[(1, 140272720), (2, 70136360), (4, 35068180), (5, 28054544), (7, 20038960), (8, 17534090), (10, 14027272), (14, 10019480), (16, 8767045), (20, 7013636), (28, 5009740), (35, 4007792), (40, 3506818), (56, 2504870), (70, 2003896), (80, 1753409), (107, 1310960), (112, 1252435), (140, 1001948), (214, 655480), (280, 500974), (428, 327740), (535, 262192), (560, 250487), (749, 187280), (856, 163870), (1070, 131096), (1498, 93640), (1712, 81935), (2140, 65548), (2341, 59920), (2996, 46820), (3745, 37456), (4280, 32774), (4682, 29960), (5992, 23410), (7490, 18728), (8560, 16387), (9364, 14980), (11705, 11984)]