90811520

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3019}}^1$

素因数の和:3085

約数の個数: 64

約数和(自身を含む): 221788800

約数和(自身を除く): 130977280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 1504, 1880, 3008, 3019, 3760, 6016, 6038, 7520, 12076, 15040, 15095, 24152, 30080, 30190, 48304, 60380, 96608, 120760, 141893, 193216, 241520, 283786, 386432, 483040, 567572, 709465, 966080, 1135144, 1418930, 1932160, 2270288, 2837860, 4540576, 5675720, 9081152, 11351440, 18162304, 22702880, 45405760, 90811520]

約数ペア:

[(1, 90811520), (2, 45405760), (4, 22702880), (5, 18162304), (8, 11351440), (10, 9081152), (16, 5675720), (20, 4540576), (32, 2837860), (40, 2270288), (47, 1932160), (64, 1418930), (80, 1135144), (94, 966080), (128, 709465), (160, 567572), (188, 483040), (235, 386432), (320, 283786), (376, 241520), (470, 193216), (640, 141893), (752, 120760), (940, 96608), (1504, 60380), (1880, 48304), (3008, 30190), (3019, 30080), (3760, 24152), (6016, 15095), (6038, 15040), (7520, 12076)]