219638080

素因数分解:

$2^6\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1811}}^1$

素因数の和:2207

約数の個数: 56

約数和(自身を含む): 524682720

約数和(自身を除く): 305044640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 379, 758, 1516, 1811, 1895, 3032, 3622, 3790, 6064, 7244, 7580, 9055, 12128, 14488, 15160, 18110, 24256, 28976, 30320, 36220, 57952, 60640, 72440, 115904, 121280, 144880, 289760, 579520, 686369, 1372738, 2745476, 3431845, 5490952, 6863690, 10981904, 13727380, 21963808, 27454760, 43927616, 54909520, 109819040, 219638080]

約数ペア:

[(1, 219638080), (2, 109819040), (4, 54909520), (5, 43927616), (8, 27454760), (10, 21963808), (16, 13727380), (20, 10981904), (32, 6863690), (40, 5490952), (64, 3431845), (80, 2745476), (160, 1372738), (320, 686369), (379, 579520), (758, 289760), (1516, 144880), (1811, 121280), (1895, 115904), (3032, 72440), (3622, 60640), (3790, 57952), (6064, 36220), (7244, 30320), (7580, 28976), (9055, 24256), (12128, 18110), (14488, 15160)]