1312360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 3484800

約数和(自身を除く): 2172440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 109, 140, 172, 215, 218, 280, 301, 344, 430, 436, 545, 602, 763, 860, 872, 1090, 1204, 1505, 1526, 1720, 2180, 2408, 3010, 3052, 3815, 4360, 4687, 6020, 6104, 7630, 9374, 12040, 15260, 18748, 23435, 30520, 32809, 37496, 46870, 65618, 93740, 131236, 164045, 187480, 262472, 328090, 656180, 1312360]

約数ペア:

[(1, 1312360), (2, 656180), (4, 328090), (5, 262472), (7, 187480), (8, 164045), (10, 131236), (14, 93740), (20, 65618), (28, 46870), (35, 37496), (40, 32809), (43, 30520), (56, 23435), (70, 18748), (86, 15260), (109, 12040), (140, 9374), (172, 7630), (215, 6104), (218, 6020), (280, 4687), (301, 4360), (344, 3815), (430, 3052), (436, 3010), (545, 2408), (602, 2180), (763, 1720), (860, 1526), (872, 1505), (1090, 1204)]