15972870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7499}}^1$

素因数の和:7580

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 22907130

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 7499, 14998, 22497, 37495, 44994, 74990, 112485, 224970, 532429, 1064858, 1597287, 2662145, 3194574, 5324290, 7986435, 15972870]

約数ペア:

[(1, 15972870), (2, 7986435), (3, 5324290), (5, 3194574), (6, 2662145), (10, 1597287), (15, 1064858), (30, 532429), (71, 224970), (142, 112485), (213, 74990), (355, 44994), (426, 37495), (710, 22497), (1065, 14998), (2130, 7499)]