123962220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{688679}}^1$

素因数の和:688694

約数の個数: 36

約数和(自身を含む): 376019280

約数和(自身を除く): 252057060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 688679, 1377358, 2066037, 2754716, 3443395, 4132074, 6198111, 6886790, 8264148, 10330185, 12396222, 13773580, 20660370, 24792444, 30990555, 41320740, 61981110, 123962220]

約数ペア:

[(1, 123962220), (2, 61981110), (3, 41320740), (4, 30990555), (5, 24792444), (6, 20660370), (9, 13773580), (10, 12396222), (12, 10330185), (15, 8264148), (18, 6886790), (20, 6198111), (30, 4132074), (36, 3443395), (45, 2754716), (60, 2066037), (90, 1377358), (180, 688679)]