16680440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1453}}^1$

素因数の和:1512

約数の個数: 64

約数和(自身を含む): 43968960

約数和(自身を除く): 27288520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1453, 1640, 2296, 2870, 2906, 5740, 5812, 7265, 10171, 11480, 11624, 14530, 20342, 29060, 40684, 50855, 58120, 59573, 81368, 101710, 119146, 203420, 238292, 297865, 406840, 417011, 476584, 595730, 834022, 1191460, 1668044, 2085055, 2382920, 3336088, 4170110, 8340220, 16680440]

約数ペア:

[(1, 16680440), (2, 8340220), (4, 4170110), (5, 3336088), (7, 2382920), (8, 2085055), (10, 1668044), (14, 1191460), (20, 834022), (28, 595730), (35, 476584), (40, 417011), (41, 406840), (56, 297865), (70, 238292), (82, 203420), (140, 119146), (164, 101710), (205, 81368), (280, 59573), (287, 58120), (328, 50855), (410, 40684), (574, 29060), (820, 20342), (1148, 14530), (1435, 11624), (1453, 11480), (1640, 10171), (2296, 7265), (2870, 5812), (2906, 5740)]