81865380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1364423}}^1$

素因数の和:1364435

約数の個数: 24

約数和(自身を含む): 229223232

約数和(自身を除く): 147357852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1364423, 2728846, 4093269, 5457692, 6822115, 8186538, 13644230, 16373076, 20466345, 27288460, 40932690, 81865380]

約数ペア:

[(1, 81865380), (2, 40932690), (3, 27288460), (4, 20466345), (5, 16373076), (6, 13644230), (10, 8186538), (12, 6822115), (15, 5457692), (20, 4093269), (30, 2728846), (60, 1364423)]