143991520

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20929}}^1$

素因数の和:20987

約数の個数: 48

約数和(自身を含む): 348107760

約数和(自身を除く): 204116240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 20929, 41858, 83716, 104645, 167432, 209290, 334864, 418580, 669728, 837160, 899947, 1674320, 1799894, 3348640, 3599788, 4499735, 7199576, 8999470, 14399152, 17998940, 28798304, 35997880, 71995760, 143991520]

約数ペア:

[(1, 143991520), (2, 71995760), (4, 35997880), (5, 28798304), (8, 17998940), (10, 14399152), (16, 8999470), (20, 7199576), (32, 4499735), (40, 3599788), (43, 3348640), (80, 1799894), (86, 1674320), (160, 899947), (172, 837160), (215, 669728), (344, 418580), (430, 334864), (688, 209290), (860, 167432), (1376, 104645), (1720, 83716), (3440, 41858), (6880, 20929)]