80457540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1340959}}^1$

素因数の和:1340971

約数の個数: 24

約数和(自身を含む): 225281280

約数和(自身を除く): 144823740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1340959, 2681918, 4022877, 5363836, 6704795, 8045754, 13409590, 16091508, 20114385, 26819180, 40228770, 80457540]

約数ペア:

[(1, 80457540), (2, 40228770), (3, 26819180), (4, 20114385), (5, 16091508), (6, 13409590), (10, 8045754), (12, 6704795), (15, 5363836), (20, 4022877), (30, 2681918), (60, 1340959)]