81019020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1350317}}^1$

素因数の和:1350329

約数の個数: 24

約数和(自身を含む): 226853424

約数和(自身を除く): 145834404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1350317, 2700634, 4050951, 5401268, 6751585, 8101902, 13503170, 16203804, 20254755, 27006340, 40509510, 81019020]

約数ペア:

[(1, 81019020), (2, 40509510), (3, 27006340), (4, 20254755), (5, 16203804), (6, 13503170), (10, 8101902), (12, 6751585), (15, 5401268), (20, 4050951), (30, 2700634), (60, 1350317)]