81335460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1355591}}^1$

素因数の和:1355603

約数の個数: 24

約数和(自身を含む): 227739456

約数和(自身を除く): 146403996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1355591, 2711182, 4066773, 5422364, 6777955, 8133546, 13555910, 16267092, 20333865, 27111820, 40667730, 81335460]

約数ペア:

[(1, 81335460), (2, 40667730), (3, 27111820), (4, 20333865), (5, 16267092), (6, 13555910), (10, 8133546), (12, 6777955), (15, 5422364), (20, 4066773), (30, 2711182), (60, 1355591)]