154547920

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{8663}}^1$

素因数の和:8899

約数の個数: 40

約数和(自身を含む): 360976896

約数和(自身を除く): 206428976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 8663, 8920, 17326, 17840, 34652, 43315, 69304, 86630, 138608, 173260, 346520, 693040, 1931849, 3863698, 7727396, 9659245, 15454792, 19318490, 30909584, 38636980, 77273960, 154547920]

約数ペア:

[(1, 154547920), (2, 77273960), (4, 38636980), (5, 30909584), (8, 19318490), (10, 15454792), (16, 9659245), (20, 7727396), (40, 3863698), (80, 1931849), (223, 693040), (446, 346520), (892, 173260), (1115, 138608), (1784, 86630), (2230, 69304), (3568, 43315), (4460, 34652), (8663, 17840), (8920, 17326)]