81062576

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 186654720

約数和(自身を除く): 105592144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 127, 139, 164, 254, 278, 287, 328, 508, 556, 574, 656, 889, 973, 1016, 1112, 1148, 1778, 1946, 2032, 2224, 2296, 3556, 3892, 4592, 5207, 5699, 7112, 7784, 10414, 11398, 14224, 15568, 17653, 20828, 22796, 35306, 36449, 39893, 41656, 45592, 70612, 72898, 79786, 83312, 91184, 123571, 141224, 145796, 159572, 247142, 282448, 291592, 319144, 494284, 583184, 638288, 723773, 988568, 1447546, 1977136, 2895092, 5066411, 5790184, 10132822, 11580368, 20265644, 40531288, 81062576]

約数ペア:

[(1, 81062576), (2, 40531288), (4, 20265644), (7, 11580368), (8, 10132822), (14, 5790184), (16, 5066411), (28, 2895092), (41, 1977136), (56, 1447546), (82, 988568), (112, 723773), (127, 638288), (139, 583184), (164, 494284), (254, 319144), (278, 291592), (287, 282448), (328, 247142), (508, 159572), (556, 145796), (574, 141224), (656, 123571), (889, 91184), (973, 83312), (1016, 79786), (1112, 72898), (1148, 70612), (1778, 45592), (1946, 41656), (2032, 39893), (2224, 36449), (2296, 35306), (3556, 22796), (3892, 20828), (4592, 17653), (5207, 15568), (5699, 14224), (7112, 11398), (7784, 10414)]