69309520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17681}}^1$

素因数の和:17708

約数の個数: 60

約数和(自身を含む): 187464564

約数和(自身を除く): 118155044

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 17681, 35362, 70724, 88405, 123767, 141448, 176810, 247534, 282896, 353620, 495068, 618835, 707240, 866369, 990136, 1237670, 1414480, 1732738, 1980272, 2475340, 3465476, 4331845, 4950680, 6930952, 8663690, 9901360, 13861904, 17327380, 34654760, 69309520]

約数ペア:

[(1, 69309520), (2, 34654760), (4, 17327380), (5, 13861904), (7, 9901360), (8, 8663690), (10, 6930952), (14, 4950680), (16, 4331845), (20, 3465476), (28, 2475340), (35, 1980272), (40, 1732738), (49, 1414480), (56, 1237670), (70, 990136), (80, 866369), (98, 707240), (112, 618835), (140, 495068), (196, 353620), (245, 282896), (280, 247534), (392, 176810), (490, 141448), (560, 123767), (784, 88405), (980, 70724), (1960, 35362), (3920, 17681)]