121761760

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3863}}^1$

素因数の和:4075

約数の個数: 48

約数和(自身を含む): 289197216

約数和(自身を除く): 167435456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 3152, 3863, 3940, 6304, 7726, 7880, 15452, 15760, 19315, 30904, 31520, 38630, 61808, 77260, 123616, 154520, 309040, 618080, 761011, 1522022, 3044044, 3805055, 6088088, 7610110, 12176176, 15220220, 24352352, 30440440, 60880880, 121761760]

約数ペア:

[(1, 121761760), (2, 60880880), (4, 30440440), (5, 24352352), (8, 15220220), (10, 12176176), (16, 7610110), (20, 6088088), (32, 3805055), (40, 3044044), (80, 1522022), (160, 761011), (197, 618080), (394, 309040), (788, 154520), (985, 123616), (1576, 77260), (1970, 61808), (3152, 38630), (3863, 31520), (3940, 30904), (6304, 19315), (7726, 15760), (7880, 15452)]