51685380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{287141}}^1$

素因数の和:287156

約数の個数: 36

約数和(自身を含む): 156779532

約数和(自身を除く): 105094152

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 287141, 574282, 861423, 1148564, 1435705, 1722846, 2584269, 2871410, 3445692, 4307115, 5168538, 5742820, 8614230, 10337076, 12921345, 17228460, 25842690, 51685380]

約数ペア:

[(1, 51685380), (2, 25842690), (3, 17228460), (4, 12921345), (5, 10337076), (6, 8614230), (9, 5742820), (10, 5168538), (12, 4307115), (15, 3445692), (18, 2871410), (20, 2584269), (30, 1722846), (36, 1435705), (45, 1148564), (60, 861423), (90, 574282), (180, 287141)]