81390360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{678253}}^1$

素因数の和:678267

約数の個数: 32

約数和(自身を含む): 244171440

約数和(自身を除く): 162781080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 678253, 1356506, 2034759, 2713012, 3391265, 4069518, 5426024, 6782530, 8139036, 10173795, 13565060, 16278072, 20347590, 27130120, 40695180, 81390360]

約数ペア:

[(1, 81390360), (2, 40695180), (3, 27130120), (4, 20347590), (5, 16278072), (6, 13565060), (8, 10173795), (10, 8139036), (12, 6782530), (15, 5426024), (20, 4069518), (24, 3391265), (30, 2713012), (40, 2034759), (60, 1356506), (120, 678253)]