261079488

素因数分解:

$2^6\times 3^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:271

約数の個数: 168

約数和(自身を含む): 781068288

約数和(自身を除く): 519988800

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 64, 72, 83, 86, 96, 127, 129, 144, 166, 172, 192, 249, 254, 258, 288, 332, 344, 381, 387, 498, 508, 516, 576, 664, 688, 747, 762, 774, 996, 1016, 1032, 1143, 1328, 1376, 1494, 1524, 1548, 1992, 2032, 2064, 2286, 2656, 2752, 2988, 3048, 3096, 3569, 3984, 4064, 4128, 4572, 5312, 5461, 5976, 6096, 6192, 7138, 7968, 8128, 8256, 9144, 10541, 10707, 10922, 11952, 12192, 12384, 14276, 15936, 16383, 18288, 21082, 21414, 21844, 23904, 24384, 24768, 28552, 31623, 32121, 32766, 36576, 42164, 42828, 43688, 47808, 49149, 57104, 63246, 64242, 65532, 73152, 84328, 85656, 87376, 94869, 98298, 114208, 126492, 128484, 131064, 168656, 171312, 174752, 189738, 196596, 228416, 252984, 256968, 262128, 337312, 342624, 349504, 379476, 393192, 453263, 505968, 513936, 524256, 674624, 685248, 758952, 786384, 906526, 1011936, 1027872, 1048512, 1359789, 1517904, 1572768, 1813052, 2023872, 2055744, 2719578, 3035808, 3145536, 3626104, 4079367, 5439156, 6071616, 7252208, 8158734, 10878312, 14504416, 16317468, 21756624, 29008832, 32634936, 43513248, 65269872, 87026496, 130539744, 261079488]

約数ペア:

[(1, 261079488), (2, 130539744), (3, 87026496), (4, 65269872), (6, 43513248), (8, 32634936), (9, 29008832), (12, 21756624), (16, 16317468), (18, 14504416), (24, 10878312), (32, 8158734), (36, 7252208), (43, 6071616), (48, 5439156), (64, 4079367), (72, 3626104), (83, 3145536), (86, 3035808), (96, 2719578), (127, 2055744), (129, 2023872), (144, 1813052), (166, 1572768), (172, 1517904), (192, 1359789), (249, 1048512), (254, 1027872), (258, 1011936), (288, 906526), (332, 786384), (344, 758952), (381, 685248), (387, 674624), (498, 524256), (508, 513936), (516, 505968), (576, 453263), (664, 393192), (688, 379476), (747, 349504), (762, 342624), (774, 337312), (996, 262128), (1016, 256968), (1032, 252984), (1143, 228416), (1328, 196596), (1376, 189738), (1494, 174752), (1524, 171312), (1548, 168656), (1992, 131064), (2032, 128484), (2064, 126492), (2286, 114208), (2656, 98298), (2752, 94869), (2988, 87376), (3048, 85656), (3096, 84328), (3569, 73152), (3984, 65532), (4064, 64242), (4128, 63246), (4572, 57104), (5312, 49149), (5461, 47808), (5976, 43688), (6096, 42828), (6192, 42164), (7138, 36576), (7968, 32766), (8128, 32121), (8256, 31623), (9144, 28552), (10541, 24768), (10707, 24384), (10922, 23904), (11952, 21844), (12192, 21414), (12384, 21082), (14276, 18288), (15936, 16383)]