81671424

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 237921600

約数和(自身を除く): 156250176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 29, 32, 38, 48, 57, 58, 64, 76, 87, 96, 114, 116, 128, 152, 174, 192, 193, 228, 232, 256, 304, 348, 384, 386, 456, 464, 551, 579, 608, 696, 768, 772, 912, 928, 1102, 1158, 1216, 1392, 1544, 1653, 1824, 1856, 2204, 2316, 2432, 2784, 3088, 3306, 3648, 3667, 3712, 4408, 4632, 4864, 5568, 5597, 6176, 6612, 7296, 7334, 7424, 8816, 9264, 11001, 11136, 11194, 12352, 13224, 14592, 14668, 16791, 17632, 18528, 22002, 22272, 22388, 24704, 26448, 29336, 33582, 35264, 37056, 44004, 44776, 49408, 52896, 58672, 67164, 70528, 74112, 88008, 89552, 105792, 106343, 117344, 134328, 141056, 148224, 176016, 179104, 211584, 212686, 234688, 268656, 319029, 352032, 358208, 423168, 425372, 469376, 537312, 638058, 704064, 716416, 850744, 938752, 1074624, 1276116, 1408128, 1432832, 1701488, 2149248, 2552232, 2816256, 3402976, 4298496, 5104464, 6805952, 10208928, 13611904, 20417856, 27223808, 40835712, 81671424]

約数ペア:

[(1, 81671424), (2, 40835712), (3, 27223808), (4, 20417856), (6, 13611904), (8, 10208928), (12, 6805952), (16, 5104464), (19, 4298496), (24, 3402976), (29, 2816256), (32, 2552232), (38, 2149248), (48, 1701488), (57, 1432832), (58, 1408128), (64, 1276116), (76, 1074624), (87, 938752), (96, 850744), (114, 716416), (116, 704064), (128, 638058), (152, 537312), (174, 469376), (192, 425372), (193, 423168), (228, 358208), (232, 352032), (256, 319029), (304, 268656), (348, 234688), (384, 212686), (386, 211584), (456, 179104), (464, 176016), (551, 148224), (579, 141056), (608, 134328), (696, 117344), (768, 106343), (772, 105792), (912, 89552), (928, 88008), (1102, 74112), (1158, 70528), (1216, 67164), (1392, 58672), (1544, 52896), (1653, 49408), (1824, 44776), (1856, 44004), (2204, 37056), (2316, 35264), (2432, 33582), (2784, 29336), (3088, 26448), (3306, 24704), (3648, 22388), (3667, 22272), (3712, 22002), (4408, 18528), (4632, 17632), (4864, 16791), (5568, 14668), (5597, 14592), (6176, 13224), (6612, 12352), (7296, 11194), (7334, 11136), (7424, 11001), (8816, 9264)]