1303760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:435

約数の個数: 40

約数和(自身を含む): 3109920

約数和(自身を除く): 1806160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 379, 430, 688, 758, 860, 1516, 1720, 1895, 3032, 3440, 3790, 6064, 7580, 15160, 16297, 30320, 32594, 65188, 81485, 130376, 162970, 260752, 325940, 651880, 1303760]

約数ペア:

[(1, 1303760), (2, 651880), (4, 325940), (5, 260752), (8, 162970), (10, 130376), (16, 81485), (20, 65188), (40, 32594), (43, 30320), (80, 16297), (86, 15160), (172, 7580), (215, 6064), (344, 3790), (379, 3440), (430, 3032), (688, 1895), (758, 1720), (860, 1516)]