138728820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2312147}}^1$

素因数の和:2312159

約数の個数: 24

約数和(自身を含む): 388440864

約数和(自身を除く): 249712044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2312147, 4624294, 6936441, 9248588, 11560735, 13872882, 23121470, 27745764, 34682205, 46242940, 69364410, 138728820]

約数ペア:

[(1, 138728820), (2, 69364410), (3, 46242940), (4, 34682205), (5, 27745764), (6, 23121470), (10, 13872882), (12, 11560735), (15, 9248588), (20, 6936441), (30, 4624294), (60, 2312147)]