81301248

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{71}}^2$

素因数の和:171

約数の個数: 162

約数和(自身を含む): 271725272

約数和(自身を除く): 190424024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 71, 72, 84, 96, 112, 126, 128, 142, 144, 168, 192, 213, 224, 252, 256, 284, 288, 336, 384, 426, 448, 497, 504, 568, 576, 639, 672, 768, 852, 896, 994, 1008, 1136, 1152, 1278, 1344, 1491, 1704, 1792, 1988, 2016, 2272, 2304, 2556, 2688, 2982, 3408, 3976, 4032, 4473, 4544, 5041, 5112, 5376, 5964, 6816, 7952, 8064, 8946, 9088, 10082, 10224, 11928, 13632, 15123, 15904, 16128, 17892, 18176, 20164, 20448, 23856, 27264, 30246, 31808, 35287, 35784, 40328, 40896, 45369, 47712, 54528, 60492, 63616, 70574, 71568, 80656, 81792, 90738, 95424, 105861, 120984, 127232, 141148, 143136, 161312, 163584, 181476, 190848, 211722, 241968, 282296, 286272, 317583, 322624, 362952, 381696, 423444, 483936, 564592, 572544, 635166, 645248, 725904, 846888, 967872, 1129184, 1145088, 1270332, 1290496, 1451808, 1693776, 1935744, 2258368, 2540664, 2903616, 3387552, 3871488, 4516736, 5081328, 5807232, 6775104, 9033472, 10162656, 11614464, 13550208, 20325312, 27100416, 40650624, 81301248]

約数ペア:

[(1, 81301248), (2, 40650624), (3, 27100416), (4, 20325312), (6, 13550208), (7, 11614464), (8, 10162656), (9, 9033472), (12, 6775104), (14, 5807232), (16, 5081328), (18, 4516736), (21, 3871488), (24, 3387552), (28, 2903616), (32, 2540664), (36, 2258368), (42, 1935744), (48, 1693776), (56, 1451808), (63, 1290496), (64, 1270332), (71, 1145088), (72, 1129184), (84, 967872), (96, 846888), (112, 725904), (126, 645248), (128, 635166), (142, 572544), (144, 564592), (168, 483936), (192, 423444), (213, 381696), (224, 362952), (252, 322624), (256, 317583), (284, 286272), (288, 282296), (336, 241968), (384, 211722), (426, 190848), (448, 181476), (497, 163584), (504, 161312), (568, 143136), (576, 141148), (639, 127232), (672, 120984), (768, 105861), (852, 95424), (896, 90738), (994, 81792), (1008, 80656), (1136, 71568), (1152, 70574), (1278, 63616), (1344, 60492), (1491, 54528), (1704, 47712), (1792, 45369), (1988, 40896), (2016, 40328), (2272, 35784), (2304, 35287), (2556, 31808), (2688, 30246), (2982, 27264), (3408, 23856), (3976, 20448), (4032, 20164), (4473, 18176), (4544, 17892), (5041, 16128), (5112, 15904), (5376, 15123), (5964, 13632), (6816, 11928), (7952, 10224), (8064, 10082), (8946, 9088)]