80478990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{894211}}^1$

素因数の和:894224

約数の個数: 24

約数和(自身を含む): 209245608

約数和(自身を除く): 128766618

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 894211, 1788422, 2682633, 4471055, 5365266, 8047899, 8942110, 13413165, 16095798, 26826330, 40239495, 80478990]

約数ペア:

[(1, 80478990), (2, 40239495), (3, 26826330), (5, 16095798), (6, 13413165), (9, 8942110), (10, 8047899), (15, 5365266), (18, 4471055), (30, 2682633), (45, 1788422), (90, 894211)]