281408256

素因数分解:

$2^8\times 3^4\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:400

約数の個数: 180

約数和(自身を含む): 862171464

約数和(自身を除く): 580763208

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, 192, 216, 246, 256, 288, 324, 328, 331, 369, 384, 432, 492, 576, 648, 656, 662, 738, 768, 864, 984, 993, 1107, 1152, 1296, 1312, 1324, 1476, 1728, 1968, 1986, 2214, 2304, 2592, 2624, 2648, 2952, 2979, 3321, 3456, 3936, 3972, 4428, 5184, 5248, 5296, 5904, 5958, 6642, 6912, 7872, 7944, 8856, 8937, 10368, 10496, 10592, 11808, 11916, 13284, 13571, 15744, 15888, 17712, 17874, 20736, 21184, 23616, 23832, 26568, 26811, 27142, 31488, 31776, 35424, 35748, 40713, 42368, 47232, 47664, 53136, 53622, 54284, 63552, 70848, 71496, 81426, 84736, 94464, 95328, 106272, 107244, 108568, 122139, 127104, 141696, 142992, 162852, 190656, 212544, 214488, 217136, 244278, 254208, 283392, 285984, 325704, 366417, 381312, 425088, 428976, 434272, 488556, 571968, 651408, 732834, 762624, 850176, 857952, 868544, 977112, 1099251, 1143936, 1302816, 1465668, 1715904, 1737088, 1954224, 2198502, 2287872, 2605632, 2931336, 3431808, 3474176, 3908448, 4397004, 5211264, 5862672, 6863616, 7816896, 8794008, 10422528, 11725344, 15633792, 17588016, 23450688, 31267584, 35176032, 46901376, 70352064, 93802752, 140704128, 281408256]

約数ペア:

[(1, 281408256), (2, 140704128), (3, 93802752), (4, 70352064), (6, 46901376), (8, 35176032), (9, 31267584), (12, 23450688), (16, 17588016), (18, 15633792), (24, 11725344), (27, 10422528), (32, 8794008), (36, 7816896), (41, 6863616), (48, 5862672), (54, 5211264), (64, 4397004), (72, 3908448), (81, 3474176), (82, 3431808), (96, 2931336), (108, 2605632), (123, 2287872), (128, 2198502), (144, 1954224), (162, 1737088), (164, 1715904), (192, 1465668), (216, 1302816), (246, 1143936), (256, 1099251), (288, 977112), (324, 868544), (328, 857952), (331, 850176), (369, 762624), (384, 732834), (432, 651408), (492, 571968), (576, 488556), (648, 434272), (656, 428976), (662, 425088), (738, 381312), (768, 366417), (864, 325704), (984, 285984), (993, 283392), (1107, 254208), (1152, 244278), (1296, 217136), (1312, 214488), (1324, 212544), (1476, 190656), (1728, 162852), (1968, 142992), (1986, 141696), (2214, 127104), (2304, 122139), (2592, 108568), (2624, 107244), (2648, 106272), (2952, 95328), (2979, 94464), (3321, 84736), (3456, 81426), (3936, 71496), (3972, 70848), (4428, 63552), (5184, 54284), (5248, 53622), (5296, 53136), (5904, 47664), (5958, 47232), (6642, 42368), (6912, 40713), (7872, 35748), (7944, 35424), (8856, 31776), (8937, 31488), (10368, 27142), (10496, 26811), (10592, 26568), (11808, 23832), (11916, 23616), (13284, 21184), (13571, 20736), (15744, 17874), (15888, 17712)]