2624720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 80

約数和(自身を含む): 7201920

約数和(自身を除く): 4577200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 109, 112, 140, 172, 215, 218, 280, 301, 344, 430, 436, 545, 560, 602, 688, 763, 860, 872, 1090, 1204, 1505, 1526, 1720, 1744, 2180, 2408, 3010, 3052, 3440, 3815, 4360, 4687, 4816, 6020, 6104, 7630, 8720, 9374, 12040, 12208, 15260, 18748, 23435, 24080, 30520, 32809, 37496, 46870, 61040, 65618, 74992, 93740, 131236, 164045, 187480, 262472, 328090, 374960, 524944, 656180, 1312360, 2624720]

約数ペア:

[(1, 2624720), (2, 1312360), (4, 656180), (5, 524944), (7, 374960), (8, 328090), (10, 262472), (14, 187480), (16, 164045), (20, 131236), (28, 93740), (35, 74992), (40, 65618), (43, 61040), (56, 46870), (70, 37496), (80, 32809), (86, 30520), (109, 24080), (112, 23435), (140, 18748), (172, 15260), (215, 12208), (218, 12040), (280, 9374), (301, 8720), (344, 7630), (430, 6104), (436, 6020), (545, 4816), (560, 4687), (602, 4360), (688, 3815), (763, 3440), (860, 3052), (872, 3010), (1090, 2408), (1204, 2180), (1505, 1744), (1526, 1720)]