1221680736

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{709}}^1$

素因数の和:949

約数の個数: 144

約数和(自身を含む): 3609889920

約数和(自身を除く): 2388209184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 193, 248, 279, 288, 372, 386, 496, 558, 579, 709, 744, 772, 992, 1116, 1158, 1418, 1488, 1544, 1737, 2127, 2232, 2316, 2836, 2976, 3088, 3474, 4254, 4464, 4632, 5672, 5983, 6176, 6381, 6948, 8508, 8928, 9264, 11344, 11966, 12762, 13896, 17016, 17949, 18528, 21979, 22688, 23932, 25524, 27792, 34032, 35898, 43958, 47864, 51048, 53847, 55584, 65937, 68064, 71796, 87916, 95728, 102096, 107694, 131874, 136837, 143592, 175832, 191456, 197811, 204192, 215388, 263748, 273674, 287184, 351664, 395622, 410511, 430776, 527496, 547348, 574368, 703328, 791244, 821022, 861552, 1054992, 1094696, 1231533, 1582488, 1642044, 1723104, 2109984, 2189392, 2463066, 3164976, 3284088, 4241947, 4378784, 4926132, 6329952, 6568176, 8483894, 9852264, 12725841, 13136352, 16967788, 19704528, 25451682, 33935576, 38177523, 39409056, 50903364, 67871152, 76355046, 101806728, 135742304, 152710092, 203613456, 305420184, 407226912, 610840368, 1221680736]

約数ペア:

[(1, 1221680736), (2, 610840368), (3, 407226912), (4, 305420184), (6, 203613456), (8, 152710092), (9, 135742304), (12, 101806728), (16, 76355046), (18, 67871152), (24, 50903364), (31, 39409056), (32, 38177523), (36, 33935576), (48, 25451682), (62, 19704528), (72, 16967788), (93, 13136352), (96, 12725841), (124, 9852264), (144, 8483894), (186, 6568176), (193, 6329952), (248, 4926132), (279, 4378784), (288, 4241947), (372, 3284088), (386, 3164976), (496, 2463066), (558, 2189392), (579, 2109984), (709, 1723104), (744, 1642044), (772, 1582488), (992, 1231533), (1116, 1094696), (1158, 1054992), (1418, 861552), (1488, 821022), (1544, 791244), (1737, 703328), (2127, 574368), (2232, 547348), (2316, 527496), (2836, 430776), (2976, 410511), (3088, 395622), (3474, 351664), (4254, 287184), (4464, 273674), (4632, 263748), (5672, 215388), (5983, 204192), (6176, 197811), (6381, 191456), (6948, 175832), (8508, 143592), (8928, 136837), (9264, 131874), (11344, 107694), (11966, 102096), (12762, 95728), (13896, 87916), (17016, 71796), (17949, 68064), (18528, 65937), (21979, 55584), (22688, 53847), (23932, 51048), (25524, 47864), (27792, 43958), (34032, 35898)]