71396460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{396647}}^1$

素因数の和:396662

約数の個数: 36

約数和(自身を含む): 216569808

約数和(自身を除く): 145173348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 396647, 793294, 1189941, 1586588, 1983235, 2379882, 3569823, 3966470, 4759764, 5949705, 7139646, 7932940, 11899410, 14279292, 17849115, 23798820, 35698230, 71396460]

約数ペア:

[(1, 71396460), (2, 35698230), (3, 23798820), (4, 17849115), (5, 14279292), (6, 11899410), (9, 7932940), (10, 7139646), (12, 5949705), (15, 4759764), (18, 3966470), (20, 3569823), (30, 2379882), (36, 1983235), (45, 1586588), (60, 1189941), (90, 793294), (180, 396647)]