56781180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{315451}}^1$

素因数の和:315466

約数の個数: 36

約数和(自身を含む): 172236792

約数和(自身を除く): 115455612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 315451, 630902, 946353, 1261804, 1577255, 1892706, 2839059, 3154510, 3785412, 4731765, 5678118, 6309020, 9463530, 11356236, 14195295, 18927060, 28390590, 56781180]

約数ペア:

[(1, 56781180), (2, 28390590), (3, 18927060), (4, 14195295), (5, 11356236), (6, 9463530), (9, 6309020), (10, 5678118), (12, 4731765), (15, 3785412), (18, 3154510), (20, 2839059), (30, 1892706), (36, 1577255), (45, 1261804), (60, 946353), (90, 630902), (180, 315451)]