81678080

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5801}}^1$

素因数の和:5833

約数の個数: 72

約数和(自身を含む): 213467184

約数和(自身を除く): 131789104

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 5801, 7040, 11602, 14080, 23204, 29005, 46408, 58010, 63811, 92816, 116020, 127622, 185632, 232040, 255244, 319055, 371264, 464080, 510488, 638110, 742528, 928160, 1020976, 1276220, 1485056, 1856320, 2041952, 2552440, 3712640, 4083904, 5104880, 7425280, 8167808, 10209760, 16335616, 20419520, 40839040, 81678080]

約数ペア:

[(1, 81678080), (2, 40839040), (4, 20419520), (5, 16335616), (8, 10209760), (10, 8167808), (11, 7425280), (16, 5104880), (20, 4083904), (22, 3712640), (32, 2552440), (40, 2041952), (44, 1856320), (55, 1485056), (64, 1276220), (80, 1020976), (88, 928160), (110, 742528), (128, 638110), (160, 510488), (176, 464080), (220, 371264), (256, 319055), (320, 255244), (352, 232040), (440, 185632), (640, 127622), (704, 116020), (880, 92816), (1280, 63811), (1408, 58010), (1760, 46408), (2816, 29005), (3520, 23204), (5801, 14080), (7040, 11602)]