81871104

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 253194368

約数和(自身を除く): 171323264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 97, 112, 128, 157, 168, 192, 194, 224, 256, 291, 314, 336, 384, 388, 448, 471, 582, 628, 672, 679, 768, 776, 896, 942, 1099, 1164, 1256, 1344, 1358, 1552, 1792, 1884, 2037, 2198, 2328, 2512, 2688, 2716, 3104, 3297, 3768, 4074, 4396, 4656, 5024, 5376, 5432, 6208, 6594, 7536, 8148, 8792, 9312, 10048, 10864, 12416, 13188, 15072, 15229, 16296, 17584, 18624, 20096, 21728, 24832, 26376, 30144, 30458, 32592, 35168, 37248, 40192, 43456, 45687, 52752, 60288, 60916, 65184, 70336, 74496, 86912, 91374, 105504, 106603, 120576, 121832, 130368, 140672, 173824, 182748, 211008, 213206, 243664, 260736, 281344, 319809, 365496, 422016, 426412, 487328, 521472, 639618, 730992, 844032, 852824, 974656, 1279236, 1461984, 1705648, 1949312, 2558472, 2923968, 3411296, 3898624, 5116944, 5847936, 6822592, 10233888, 11695872, 13645184, 20467776, 27290368, 40935552, 81871104]

約数ペア:

[(1, 81871104), (2, 40935552), (3, 27290368), (4, 20467776), (6, 13645184), (7, 11695872), (8, 10233888), (12, 6822592), (14, 5847936), (16, 5116944), (21, 3898624), (24, 3411296), (28, 2923968), (32, 2558472), (42, 1949312), (48, 1705648), (56, 1461984), (64, 1279236), (84, 974656), (96, 852824), (97, 844032), (112, 730992), (128, 639618), (157, 521472), (168, 487328), (192, 426412), (194, 422016), (224, 365496), (256, 319809), (291, 281344), (314, 260736), (336, 243664), (384, 213206), (388, 211008), (448, 182748), (471, 173824), (582, 140672), (628, 130368), (672, 121832), (679, 120576), (768, 106603), (776, 105504), (896, 91374), (942, 86912), (1099, 74496), (1164, 70336), (1256, 65184), (1344, 60916), (1358, 60288), (1552, 52752), (1792, 45687), (1884, 43456), (2037, 40192), (2198, 37248), (2328, 35168), (2512, 32592), (2688, 30458), (2716, 30144), (3104, 26376), (3297, 24832), (3768, 21728), (4074, 20096), (4396, 18624), (4656, 17584), (5024, 16296), (5376, 15229), (5432, 15072), (6208, 13188), (6594, 12416), (7536, 10864), (8148, 10048), (8792, 9312)]