77716920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{647641}}^1$

素因数の和:647655

約数の個数: 32

約数和(自身を含む): 233151120

約数和(自身を除く): 155434200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 647641, 1295282, 1942923, 2590564, 3238205, 3885846, 5181128, 6476410, 7771692, 9714615, 12952820, 15543384, 19429230, 25905640, 38858460, 77716920]

約数ペア:

[(1, 77716920), (2, 38858460), (3, 25905640), (4, 19429230), (5, 15543384), (6, 12952820), (8, 9714615), (10, 7771692), (12, 6476410), (15, 5181128), (20, 3885846), (24, 3238205), (30, 2590564), (40, 1942923), (60, 1295282), (120, 647641)]