15210860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{108649}}^1$

素因数の和:108665

約数の個数: 24

約数和(自身を含む): 36506400

約数和(自身を除く): 21295540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 108649, 217298, 434596, 543245, 760543, 1086490, 1521086, 2172980, 3042172, 3802715, 7605430, 15210860]

約数ペア:

[(1, 15210860), (2, 7605430), (4, 3802715), (5, 3042172), (7, 2172980), (10, 1521086), (14, 1086490), (20, 760543), (28, 543245), (35, 434596), (70, 217298), (140, 108649)]