147976760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 343094400

約数和(自身を除く): 195117640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 227, 344, 379, 430, 454, 758, 860, 908, 1135, 1516, 1720, 1816, 1895, 2270, 3032, 3790, 4540, 7580, 9080, 9761, 15160, 16297, 19522, 32594, 39044, 48805, 65188, 78088, 81485, 86033, 97610, 130376, 162970, 172066, 195220, 325940, 344132, 390440, 430165, 651880, 688264, 860330, 1720660, 3441320, 3699419, 7398838, 14797676, 18497095, 29595352, 36994190, 73988380, 147976760]

約数ペア:

[(1, 147976760), (2, 73988380), (4, 36994190), (5, 29595352), (8, 18497095), (10, 14797676), (20, 7398838), (40, 3699419), (43, 3441320), (86, 1720660), (172, 860330), (215, 688264), (227, 651880), (344, 430165), (379, 390440), (430, 344132), (454, 325940), (758, 195220), (860, 172066), (908, 162970), (1135, 130376), (1516, 97610), (1720, 86033), (1816, 81485), (1895, 78088), (2270, 65188), (3032, 48805), (3790, 39044), (4540, 32594), (7580, 19522), (9080, 16297), (9761, 15160)]