81800820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{151483}}^1$

素因数の和:151501

約数の個数: 48

約数和(自身を含む): 254493120

約数和(自身を除く): 172692300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 151483, 302966, 454449, 605932, 757415, 908898, 1363347, 1514830, 1817796, 2272245, 2726694, 3029660, 4090041, 4544490, 5453388, 6816735, 8180082, 9088980, 13633470, 16360164, 20450205, 27266940, 40900410, 81800820]

約数ペア:

[(1, 81800820), (2, 40900410), (3, 27266940), (4, 20450205), (5, 16360164), (6, 13633470), (9, 9088980), (10, 8180082), (12, 6816735), (15, 5453388), (18, 4544490), (20, 4090041), (27, 3029660), (30, 2726694), (36, 2272245), (45, 1817796), (54, 1514830), (60, 1363347), (90, 908898), (108, 757415), (135, 605932), (180, 454449), (270, 302966), (540, 151483)]