71861680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:794

約数の個数: 80

約数和(自身を含む): 183988224

約数和(自身を除く): 112126544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 127, 176, 220, 254, 440, 508, 635, 643, 880, 1016, 1270, 1286, 1397, 2032, 2540, 2572, 2794, 3215, 5080, 5144, 5588, 6430, 6985, 7073, 10160, 10288, 11176, 12860, 13970, 14146, 22352, 25720, 27940, 28292, 35365, 51440, 55880, 56584, 70730, 81661, 111760, 113168, 141460, 163322, 282920, 326644, 408305, 565840, 653288, 816610, 898271, 1306576, 1633220, 1796542, 3266440, 3593084, 4491355, 6532880, 7186168, 8982710, 14372336, 17965420, 35930840, 71861680]

約数ペア:

[(1, 71861680), (2, 35930840), (4, 17965420), (5, 14372336), (8, 8982710), (10, 7186168), (11, 6532880), (16, 4491355), (20, 3593084), (22, 3266440), (40, 1796542), (44, 1633220), (55, 1306576), (80, 898271), (88, 816610), (110, 653288), (127, 565840), (176, 408305), (220, 326644), (254, 282920), (440, 163322), (508, 141460), (635, 113168), (643, 111760), (880, 81661), (1016, 70730), (1270, 56584), (1286, 55880), (1397, 51440), (2032, 35365), (2540, 28292), (2572, 27940), (2794, 25720), (3215, 22352), (5080, 14146), (5144, 13970), (5588, 12860), (6430, 11176), (6985, 10288), (7073, 10160)]