78980820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1316347}}^1$

素因数の和:1316359

約数の個数: 24

約数和(自身を含む): 221146464

約数和(自身を除く): 142165644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1316347, 2632694, 3949041, 5265388, 6581735, 7898082, 13163470, 15796164, 19745205, 26326940, 39490410, 78980820]

約数ペア:

[(1, 78980820), (2, 39490410), (3, 26326940), (4, 19745205), (5, 15796164), (6, 13163470), (10, 7898082), (12, 6581735), (15, 5265388), (20, 3949041), (30, 2632694), (60, 1316347)]