261180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1451}}^1$

素因数の和:1466

約数の個数: 36

約数和(自身を含む): 792792

約数和(自身を除く): 531612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1451, 2902, 4353, 5804, 7255, 8706, 13059, 14510, 17412, 21765, 26118, 29020, 43530, 52236, 65295, 87060, 130590, 261180]

約数ペア:

[(1, 261180), (2, 130590), (3, 87060), (4, 65295), (5, 52236), (6, 43530), (9, 29020), (10, 26118), (12, 21765), (15, 17412), (18, 14510), (20, 13059), (30, 8706), (36, 7255), (45, 5804), (60, 4353), (90, 2902), (180, 1451)]