15257780

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6007}}^1$

素因数の和:6143

約数の個数: 24

約数和(自身を含む): 32299008

約数和(自身を除く): 17041228

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 6007, 12014, 24028, 30035, 60070, 120140, 762889, 1525778, 3051556, 3814445, 7628890, 15257780]

約数ペア:

[(1, 15257780), (2, 7628890), (4, 3814445), (5, 3051556), (10, 1525778), (20, 762889), (127, 120140), (254, 60070), (508, 30035), (635, 24028), (1270, 12014), (2540, 6007)]