27040720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 72673920

約数和(自身を除く): 45633200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 443, 545, 560, 763, 872, 886, 1090, 1526, 1744, 1772, 2180, 2215, 3052, 3101, 3544, 3815, 4360, 4430, 6104, 6202, 7088, 7630, 8720, 8860, 12208, 12404, 15260, 15505, 17720, 24808, 30520, 31010, 35440, 48287, 49616, 61040, 62020, 96574, 124040, 193148, 241435, 248080, 338009, 386296, 482870, 676018, 772592, 965740, 1352036, 1690045, 1931480, 2704072, 3380090, 3862960, 5408144, 6760180, 13520360, 27040720]

約数ペア:

[(1, 27040720), (2, 13520360), (4, 6760180), (5, 5408144), (7, 3862960), (8, 3380090), (10, 2704072), (14, 1931480), (16, 1690045), (20, 1352036), (28, 965740), (35, 772592), (40, 676018), (56, 482870), (70, 386296), (80, 338009), (109, 248080), (112, 241435), (140, 193148), (218, 124040), (280, 96574), (436, 62020), (443, 61040), (545, 49616), (560, 48287), (763, 35440), (872, 31010), (886, 30520), (1090, 24808), (1526, 17720), (1744, 15505), (1772, 15260), (2180, 12404), (2215, 12208), (3052, 8860), (3101, 8720), (3544, 7630), (3815, 7088), (4360, 6202), (4430, 6104)]