123921180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{688451}}^1$

素因数の和:688466

約数の個数: 36

約数和(自身を含む): 375894792

約数和(自身を除く): 251973612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 688451, 1376902, 2065353, 2753804, 3442255, 4130706, 6196059, 6884510, 8261412, 10326765, 12392118, 13769020, 20653530, 24784236, 30980295, 41307060, 61960590, 123921180]

約数ペア:

[(1, 123921180), (2, 61960590), (3, 41307060), (4, 30980295), (5, 24784236), (6, 20653530), (9, 13769020), (10, 12392118), (12, 10326765), (15, 8261412), (18, 6884510), (20, 6196059), (30, 4130706), (36, 3442255), (45, 2753804), (60, 2065353), (90, 1376902), (180, 688451)]