15259840

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1169

約数の個数: 56

約数和(自身を含む): 37216080

約数和(自身を除く): 21956240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1109, 1376, 1720, 2218, 2752, 3440, 4436, 5545, 6880, 8872, 11090, 13760, 17744, 22180, 35488, 44360, 47687, 70976, 88720, 95374, 177440, 190748, 238435, 354880, 381496, 476870, 762992, 953740, 1525984, 1907480, 3051968, 3814960, 7629920, 15259840]

約数ペア:

[(1, 15259840), (2, 7629920), (4, 3814960), (5, 3051968), (8, 1907480), (10, 1525984), (16, 953740), (20, 762992), (32, 476870), (40, 381496), (43, 354880), (64, 238435), (80, 190748), (86, 177440), (160, 95374), (172, 88720), (215, 70976), (320, 47687), (344, 44360), (430, 35488), (688, 22180), (860, 17744), (1109, 13760), (1376, 11090), (1720, 8872), (2218, 6880), (2752, 5545), (3440, 4436)]