81261768

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{769}}^1$

素因数の和:839

約数の個数: 128

約数和(自身を含む): 252806400

約数和(自身を除く): 171544632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 37, 42, 51, 56, 68, 74, 84, 102, 111, 119, 136, 148, 168, 204, 222, 238, 259, 296, 357, 408, 444, 476, 518, 629, 714, 769, 777, 888, 952, 1036, 1258, 1428, 1538, 1554, 1887, 2072, 2307, 2516, 2856, 3076, 3108, 3774, 4403, 4614, 5032, 5383, 6152, 6216, 7548, 8806, 9228, 10766, 13073, 13209, 15096, 16149, 17612, 18456, 21532, 26146, 26418, 28453, 32298, 35224, 39219, 43064, 52292, 52836, 56906, 64596, 78438, 85359, 91511, 104584, 105672, 113812, 129192, 156876, 170718, 183022, 199171, 227624, 274533, 313752, 341436, 366044, 398342, 483701, 549066, 597513, 682872, 732088, 796684, 967402, 1098132, 1195026, 1451103, 1593368, 1934804, 2196264, 2390052, 2902206, 3385907, 3869608, 4780104, 5804412, 6771814, 10157721, 11608824, 13543628, 20315442, 27087256, 40630884, 81261768]

約数ペア:

[(1, 81261768), (2, 40630884), (3, 27087256), (4, 20315442), (6, 13543628), (7, 11608824), (8, 10157721), (12, 6771814), (14, 5804412), (17, 4780104), (21, 3869608), (24, 3385907), (28, 2902206), (34, 2390052), (37, 2196264), (42, 1934804), (51, 1593368), (56, 1451103), (68, 1195026), (74, 1098132), (84, 967402), (102, 796684), (111, 732088), (119, 682872), (136, 597513), (148, 549066), (168, 483701), (204, 398342), (222, 366044), (238, 341436), (259, 313752), (296, 274533), (357, 227624), (408, 199171), (444, 183022), (476, 170718), (518, 156876), (629, 129192), (714, 113812), (769, 105672), (777, 104584), (888, 91511), (952, 85359), (1036, 78438), (1258, 64596), (1428, 56906), (1538, 52836), (1554, 52292), (1887, 43064), (2072, 39219), (2307, 35224), (2516, 32298), (2856, 28453), (3076, 26418), (3108, 26146), (3774, 21532), (4403, 18456), (4614, 17612), (5032, 16149), (5383, 15096), (6152, 13209), (6216, 13073), (7548, 10766), (8806, 9228)]