220537520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3613}}^1$

素因数の和:3742

約数の個数: 80

約数和(自身を含む): 591539520

約数和(自身を除く): 371002000

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, 545, 560, 763, 872, 1090, 1526, 1744, 2180, 3052, 3613, 3815, 4360, 6104, 7226, 7630, 8720, 12208, 14452, 15260, 18065, 25291, 28904, 30520, 36130, 50582, 57808, 61040, 72260, 101164, 126455, 144520, 202328, 252910, 289040, 393817, 404656, 505820, 787634, 1011640, 1575268, 1969085, 2023280, 2756719, 3150536, 3938170, 5513438, 6301072, 7876340, 11026876, 13783595, 15752680, 22053752, 27567190, 31505360, 44107504, 55134380, 110268760, 220537520]

約数ペア:

[(1, 220537520), (2, 110268760), (4, 55134380), (5, 44107504), (7, 31505360), (8, 27567190), (10, 22053752), (14, 15752680), (16, 13783595), (20, 11026876), (28, 7876340), (35, 6301072), (40, 5513438), (56, 3938170), (70, 3150536), (80, 2756719), (109, 2023280), (112, 1969085), (140, 1575268), (218, 1011640), (280, 787634), (436, 505820), (545, 404656), (560, 393817), (763, 289040), (872, 252910), (1090, 202328), (1526, 144520), (1744, 126455), (2180, 101164), (3052, 72260), (3613, 61040), (3815, 57808), (4360, 50582), (6104, 36130), (7226, 30520), (7630, 28904), (8720, 25291), (12208, 18065), (14452, 15260)]