2456720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 80

約数和(自身を含む): 6749568

約数和(自身を除く): 4292848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 107, 112, 140, 164, 205, 214, 280, 287, 328, 410, 428, 535, 560, 574, 656, 749, 820, 856, 1070, 1148, 1435, 1498, 1640, 1712, 2140, 2296, 2870, 2996, 3280, 3745, 4280, 4387, 4592, 5740, 5992, 7490, 8560, 8774, 11480, 11984, 14980, 17548, 21935, 22960, 29960, 30709, 35096, 43870, 59920, 61418, 70192, 87740, 122836, 153545, 175480, 245672, 307090, 350960, 491344, 614180, 1228360, 2456720]

約数ペア:

[(1, 2456720), (2, 1228360), (4, 614180), (5, 491344), (7, 350960), (8, 307090), (10, 245672), (14, 175480), (16, 153545), (20, 122836), (28, 87740), (35, 70192), (40, 61418), (41, 59920), (56, 43870), (70, 35096), (80, 30709), (82, 29960), (107, 22960), (112, 21935), (140, 17548), (164, 14980), (205, 11984), (214, 11480), (280, 8774), (287, 8560), (328, 7490), (410, 5992), (428, 5740), (535, 4592), (560, 4387), (574, 4280), (656, 3745), (749, 3280), (820, 2996), (856, 2870), (1070, 2296), (1148, 2140), (1435, 1712), (1498, 1640)]