81139020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1352317}}^1$

素因数の和:1352329

約数の個数: 24

約数和(自身を含む): 227189424

約数和(自身を除く): 146050404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1352317, 2704634, 4056951, 5409268, 6761585, 8113902, 13523170, 16227804, 20284755, 27046340, 40569510, 81139020]

約数ペア:

[(1, 81139020), (2, 40569510), (3, 27046340), (4, 20284755), (5, 16227804), (6, 13523170), (10, 8113902), (12, 6761585), (15, 5409268), (20, 4056951), (30, 2704634), (60, 1352317)]