12172720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{21737}}^1$

素因数の和:21757

約数の個数: 40

約数和(自身を含む): 32346144

約数和(自身を除く): 20173424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 21737, 43474, 86948, 108685, 152159, 173896, 217370, 304318, 347792, 434740, 608636, 760795, 869480, 1217272, 1521590, 1738960, 2434544, 3043180, 6086360, 12172720]

約数ペア:

[(1, 12172720), (2, 6086360), (4, 3043180), (5, 2434544), (7, 1738960), (8, 1521590), (10, 1217272), (14, 869480), (16, 760795), (20, 608636), (28, 434740), (35, 347792), (40, 304318), (56, 217370), (70, 173896), (80, 152159), (112, 108685), (140, 86948), (280, 43474), (560, 21737)]