13087480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1087}}^1$

素因数の和:1148

約数の個数: 64

約数和(自身を含む): 34467840

約数和(自身を除く): 21380360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1087, 1204, 1505, 1720, 2174, 2408, 3010, 4348, 5435, 6020, 7609, 8696, 10870, 12040, 15218, 21740, 30436, 38045, 43480, 46741, 60872, 76090, 93482, 152180, 186964, 233705, 304360, 327187, 373928, 467410, 654374, 934820, 1308748, 1635935, 1869640, 2617496, 3271870, 6543740, 13087480]

約数ペア:

[(1, 13087480), (2, 6543740), (4, 3271870), (5, 2617496), (7, 1869640), (8, 1635935), (10, 1308748), (14, 934820), (20, 654374), (28, 467410), (35, 373928), (40, 327187), (43, 304360), (56, 233705), (70, 186964), (86, 152180), (140, 93482), (172, 76090), (215, 60872), (280, 46741), (301, 43480), (344, 38045), (430, 30436), (602, 21740), (860, 15218), (1087, 12040), (1204, 10870), (1505, 8696), (1720, 7609), (2174, 6020), (2408, 5435), (3010, 4348)]