81801180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{454451}}^1$

素因数の和:454466

約数の個数: 36

約数和(自身を含む): 248130792

約数和(自身を除く): 166329612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 454451, 908902, 1363353, 1817804, 2272255, 2726706, 4090059, 4544510, 5453412, 6816765, 8180118, 9089020, 13633530, 16360236, 20450295, 27267060, 40900590, 81801180]

約数ペア:

[(1, 81801180), (2, 40900590), (3, 27267060), (4, 20450295), (5, 16360236), (6, 13633530), (9, 9089020), (10, 8180118), (12, 6816765), (15, 5453412), (18, 4544510), (20, 4090059), (30, 2726706), (36, 2272255), (45, 1817804), (60, 1363353), (90, 908902), (180, 454451)]