81142140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1352369}}^1$

素因数の和:1352381

約数の個数: 24

約数和(自身を含む): 227198160

約数和(自身を除く): 146056020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1352369, 2704738, 4057107, 5409476, 6761845, 8114214, 13523690, 16228428, 20285535, 27047380, 40571070, 81142140]

約数ペア:

[(1, 81142140), (2, 40571070), (3, 27047380), (4, 20285535), (5, 16228428), (6, 13523690), (10, 8114214), (12, 6761845), (15, 5409476), (20, 4057107), (30, 2704738), (60, 1352369)]