90651520

素因数分解:

$2^7\times 5^1\times {\mathrm{197}}^1\times {\mathrm{719}}^1$

素因数の和:935

約数の個数: 64

約数和(自身を含む): 218116800

約数和(自身を除く): 127465280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 320, 394, 640, 719, 788, 985, 1438, 1576, 1970, 2876, 3152, 3595, 3940, 5752, 6304, 7190, 7880, 11504, 12608, 14380, 15760, 23008, 25216, 28760, 31520, 46016, 57520, 63040, 92032, 115040, 126080, 141643, 230080, 283286, 460160, 566572, 708215, 1133144, 1416430, 2266288, 2832860, 4532576, 5665720, 9065152, 11331440, 18130304, 22662880, 45325760, 90651520]

約数ペア:

[(1, 90651520), (2, 45325760), (4, 22662880), (5, 18130304), (8, 11331440), (10, 9065152), (16, 5665720), (20, 4532576), (32, 2832860), (40, 2266288), (64, 1416430), (80, 1133144), (128, 708215), (160, 566572), (197, 460160), (320, 283286), (394, 230080), (640, 141643), (719, 126080), (788, 115040), (985, 92032), (1438, 63040), (1576, 57520), (1970, 46016), (2876, 31520), (3152, 28760), (3595, 25216), (3940, 23008), (5752, 15760), (6304, 14380), (7190, 12608), (7880, 11504)]