81191808

素因数分解:

$2^7\times 3^4\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:258

約数の個数: 160

約数和(自身を含む): 248814720

約数和(自身を除く): 167622912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 41, 48, 54, 64, 72, 81, 82, 96, 108, 123, 128, 144, 162, 164, 191, 192, 216, 246, 288, 324, 328, 369, 382, 384, 432, 492, 573, 576, 648, 656, 738, 764, 864, 984, 1107, 1146, 1152, 1296, 1312, 1476, 1528, 1719, 1728, 1968, 2214, 2292, 2592, 2624, 2952, 3056, 3321, 3438, 3456, 3936, 4428, 4584, 5157, 5184, 5248, 5904, 6112, 6642, 6876, 7831, 7872, 8856, 9168, 10314, 10368, 11808, 12224, 13284, 13752, 15471, 15662, 15744, 17712, 18336, 20628, 23493, 23616, 24448, 26568, 27504, 30942, 31324, 35424, 36672, 41256, 46986, 47232, 53136, 55008, 61884, 62648, 70479, 70848, 73344, 82512, 93972, 106272, 110016, 123768, 125296, 140958, 141696, 165024, 187944, 211437, 212544, 220032, 247536, 250592, 281916, 330048, 375888, 422874, 425088, 495072, 501184, 563832, 634311, 660096, 751776, 845748, 990144, 1002368, 1127664, 1268622, 1503552, 1691496, 1980288, 2255328, 2537244, 3007104, 3382992, 4510656, 5074488, 6765984, 9021312, 10148976, 13531968, 20297952, 27063936, 40595904, 81191808]

約数ペア:

[(1, 81191808), (2, 40595904), (3, 27063936), (4, 20297952), (6, 13531968), (8, 10148976), (9, 9021312), (12, 6765984), (16, 5074488), (18, 4510656), (24, 3382992), (27, 3007104), (32, 2537244), (36, 2255328), (41, 1980288), (48, 1691496), (54, 1503552), (64, 1268622), (72, 1127664), (81, 1002368), (82, 990144), (96, 845748), (108, 751776), (123, 660096), (128, 634311), (144, 563832), (162, 501184), (164, 495072), (191, 425088), (192, 422874), (216, 375888), (246, 330048), (288, 281916), (324, 250592), (328, 247536), (369, 220032), (382, 212544), (384, 211437), (432, 187944), (492, 165024), (573, 141696), (576, 140958), (648, 125296), (656, 123768), (738, 110016), (764, 106272), (864, 93972), (984, 82512), (1107, 73344), (1146, 70848), (1152, 70479), (1296, 62648), (1312, 61884), (1476, 55008), (1528, 53136), (1719, 47232), (1728, 46986), (1968, 41256), (2214, 36672), (2292, 35424), (2592, 31324), (2624, 30942), (2952, 27504), (3056, 26568), (3321, 24448), (3438, 23616), (3456, 23493), (3936, 20628), (4428, 18336), (4584, 17712), (5157, 15744), (5184, 15662), (5248, 15471), (5904, 13752), (6112, 13284), (6642, 12224), (6876, 11808), (7831, 10368), (7872, 10314), (8856, 9168)]