68187280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{121763}}^1$

素因数の和:121783

約数の個数: 40

約数和(自身を含む): 181184832

約数和(自身を除く): 112997552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 121763, 243526, 487052, 608815, 852341, 974104, 1217630, 1704682, 1948208, 2435260, 3409364, 4261705, 4870520, 6818728, 8523410, 9741040, 13637456, 17046820, 34093640, 68187280]

約数ペア:

[(1, 68187280), (2, 34093640), (4, 17046820), (5, 13637456), (7, 9741040), (8, 8523410), (10, 6818728), (14, 4870520), (16, 4261705), (20, 3409364), (28, 2435260), (35, 1948208), (40, 1704682), (56, 1217630), (70, 974104), (80, 852341), (112, 608815), (140, 487052), (280, 243526), (560, 121763)]