81301260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1355021}}^1$

素因数の和:1355033

約数の個数: 24

約数和(自身を含む): 227643696

約数和(自身を除く): 146342436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1355021, 2710042, 4065063, 5420084, 6775105, 8130126, 13550210, 16260252, 20325315, 27100420, 40650630, 81301260]

約数ペア:

[(1, 81301260), (2, 40650630), (3, 27100420), (4, 20325315), (5, 16260252), (6, 13550210), (10, 8130126), (12, 6775105), (15, 5420084), (20, 4065063), (30, 2710042), (60, 1355021)]