80990805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 158353920

約数和(自身を除く): 77363115

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 157, 255, 289, 357, 471, 595, 785, 867, 1099, 1445, 1785, 2023, 2355, 2669, 3297, 4335, 4913, 5495, 6069, 8007, 10115, 13345, 14739, 16485, 18683, 24565, 30345, 34391, 40035, 45373, 56049, 73695, 93415, 103173, 136119, 171955, 226865, 280245, 317611, 515865, 680595, 771341, 952833, 1588055, 2314023, 3856705, 4764165, 5399387, 11570115, 16198161, 26996935, 80990805]

約数ペア:

[(1, 80990805), (3, 26996935), (5, 16198161), (7, 11570115), (15, 5399387), (17, 4764165), (21, 3856705), (35, 2314023), (51, 1588055), (85, 952833), (105, 771341), (119, 680595), (157, 515865), (255, 317611), (289, 280245), (357, 226865), (471, 171955), (595, 136119), (785, 103173), (867, 93415), (1099, 73695), (1445, 56049), (1785, 45373), (2023, 40035), (2355, 34391), (2669, 30345), (3297, 24565), (4335, 18683), (4913, 16485), (5495, 14739), (6069, 13345), (8007, 10115)]