80821140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1347019}}^1$

素因数の和:1347031

約数の個数: 24

約数和(自身を含む): 226299360

約数和(自身を除く): 145478220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1347019, 2694038, 4041057, 5388076, 6735095, 8082114, 13470190, 16164228, 20205285, 26940380, 40410570, 80821140]

約数ペア:

[(1, 80821140), (2, 40410570), (3, 26940380), (4, 20205285), (5, 16164228), (6, 13470190), (10, 8082114), (12, 6735095), (15, 5388076), (20, 4041057), (30, 2694038), (60, 1347019)]