81580632

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:573

約数の個数: 128

約数和(自身を含む): 249384960

約数和(自身を除く): 167804328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 43, 46, 56, 69, 84, 86, 92, 129, 138, 161, 168, 172, 184, 258, 276, 301, 322, 344, 483, 491, 516, 552, 602, 644, 903, 966, 982, 989, 1032, 1204, 1288, 1473, 1806, 1932, 1964, 1978, 2408, 2946, 2967, 3437, 3612, 3864, 3928, 3956, 5892, 5934, 6874, 6923, 7224, 7912, 10311, 11293, 11784, 11868, 13748, 13846, 20622, 20769, 21113, 22586, 23736, 27496, 27692, 33879, 41244, 41538, 42226, 45172, 55384, 63339, 67758, 79051, 82488, 83076, 84452, 90344, 126678, 135516, 147791, 158102, 166152, 168904, 237153, 253356, 271032, 295582, 316204, 443373, 474306, 485599, 506712, 591164, 632408, 886746, 948612, 971198, 1182328, 1456797, 1773492, 1897224, 1942396, 2913594, 3399193, 3546984, 3884792, 5827188, 6798386, 10197579, 11654376, 13596772, 20395158, 27193544, 40790316, 81580632]

約数ペア:

[(1, 81580632), (2, 40790316), (3, 27193544), (4, 20395158), (6, 13596772), (7, 11654376), (8, 10197579), (12, 6798386), (14, 5827188), (21, 3884792), (23, 3546984), (24, 3399193), (28, 2913594), (42, 1942396), (43, 1897224), (46, 1773492), (56, 1456797), (69, 1182328), (84, 971198), (86, 948612), (92, 886746), (129, 632408), (138, 591164), (161, 506712), (168, 485599), (172, 474306), (184, 443373), (258, 316204), (276, 295582), (301, 271032), (322, 253356), (344, 237153), (483, 168904), (491, 166152), (516, 158102), (552, 147791), (602, 135516), (644, 126678), (903, 90344), (966, 84452), (982, 83076), (989, 82488), (1032, 79051), (1204, 67758), (1288, 63339), (1473, 55384), (1806, 45172), (1932, 42226), (1964, 41538), (1978, 41244), (2408, 33879), (2946, 27692), (2967, 27496), (3437, 23736), (3612, 22586), (3864, 21113), (3928, 20769), (3956, 20622), (5892, 13846), (5934, 13748), (6874, 11868), (6923, 11784), (7224, 11293), (7912, 10311)]