1389760

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:161

約数の個数: 56

約数和(自身を含む): 3419856

約数和(自身を除く): 2030096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 101, 160, 172, 202, 215, 320, 344, 404, 430, 505, 688, 808, 860, 1010, 1376, 1616, 1720, 2020, 2752, 3232, 3440, 4040, 4343, 6464, 6880, 8080, 8686, 13760, 16160, 17372, 21715, 32320, 34744, 43430, 69488, 86860, 138976, 173720, 277952, 347440, 694880, 1389760]

約数ペア:

[(1, 1389760), (2, 694880), (4, 347440), (5, 277952), (8, 173720), (10, 138976), (16, 86860), (20, 69488), (32, 43430), (40, 34744), (43, 32320), (64, 21715), (80, 17372), (86, 16160), (101, 13760), (160, 8686), (172, 8080), (202, 6880), (215, 6464), (320, 4343), (344, 4040), (404, 3440), (430, 3232), (505, 2752), (688, 2020), (808, 1720), (860, 1616), (1010, 1376)]