257951232

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{727}}^1$

素因数の和:769

約数の個数: 240

約数和(自身を含む): 929440512

約数和(自身を除く): 671489280

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 42, 44, 48, 56, 63, 64, 66, 72, 77, 84, 88, 96, 99, 112, 126, 128, 132, 144, 154, 168, 176, 192, 198, 224, 231, 252, 256, 264, 288, 308, 336, 352, 384, 396, 448, 462, 504, 512, 528, 576, 616, 672, 693, 704, 727, 768, 792, 896, 924, 1008, 1056, 1152, 1232, 1344, 1386, 1408, 1454, 1536, 1584, 1792, 1848, 2016, 2112, 2181, 2304, 2464, 2688, 2772, 2816, 2908, 3168, 3584, 3696, 4032, 4224, 4362, 4608, 4928, 5089, 5376, 5544, 5632, 5816, 6336, 6543, 7392, 7997, 8064, 8448, 8724, 9856, 10178, 10752, 11088, 11632, 12672, 13086, 14784, 15267, 15994, 16128, 16896, 17448, 19712, 20356, 22176, 23264, 23991, 25344, 26172, 29568, 30534, 31988, 32256, 34896, 39424, 40712, 44352, 45801, 46528, 47982, 50688, 52344, 55979, 59136, 61068, 63976, 69792, 71973, 81424, 88704, 91602, 93056, 95964, 104688, 111958, 118272, 122136, 127952, 139584, 143946, 162848, 167937, 177408, 183204, 186112, 191928, 209376, 223916, 244272, 255904, 279168, 287892, 325696, 335874, 354816, 366408, 372224, 383856, 418752, 447832, 488544, 503811, 511808, 558336, 575784, 651392, 671748, 732816, 767712, 837504, 895664, 977088, 1007622, 1023616, 1116672, 1151568, 1302784, 1343496, 1465632, 1535424, 1675008, 1791328, 1954176, 2015244, 2047232, 2303136, 2605568, 2686992, 2931264, 3070848, 3350016, 3582656, 3908352, 4030488, 4094464, 4606272, 5373984, 5862528, 6141696, 7165312, 7816704, 8060976, 9212544, 10747968, 11725056, 12283392, 14330624, 16121952, 18425088, 21495936, 23450112, 28661248, 32243904, 36850176, 42991872, 64487808, 85983744, 128975616, 257951232]

約数ペア:

[(1, 257951232), (2, 128975616), (3, 85983744), (4, 64487808), (6, 42991872), (7, 36850176), (8, 32243904), (9, 28661248), (11, 23450112), (12, 21495936), (14, 18425088), (16, 16121952), (18, 14330624), (21, 12283392), (22, 11725056), (24, 10747968), (28, 9212544), (32, 8060976), (33, 7816704), (36, 7165312), (42, 6141696), (44, 5862528), (48, 5373984), (56, 4606272), (63, 4094464), (64, 4030488), (66, 3908352), (72, 3582656), (77, 3350016), (84, 3070848), (88, 2931264), (96, 2686992), (99, 2605568), (112, 2303136), (126, 2047232), (128, 2015244), (132, 1954176), (144, 1791328), (154, 1675008), (168, 1535424), (176, 1465632), (192, 1343496), (198, 1302784), (224, 1151568), (231, 1116672), (252, 1023616), (256, 1007622), (264, 977088), (288, 895664), (308, 837504), (336, 767712), (352, 732816), (384, 671748), (396, 651392), (448, 575784), (462, 558336), (504, 511808), (512, 503811), (528, 488544), (576, 447832), (616, 418752), (672, 383856), (693, 372224), (704, 366408), (727, 354816), (768, 335874), (792, 325696), (896, 287892), (924, 279168), (1008, 255904), (1056, 244272), (1152, 223916), (1232, 209376), (1344, 191928), (1386, 186112), (1408, 183204), (1454, 177408), (1536, 167937), (1584, 162848), (1792, 143946), (1848, 139584), (2016, 127952), (2112, 122136), (2181, 118272), (2304, 111958), (2464, 104688), (2688, 95964), (2772, 93056), (2816, 91602), (2908, 88704), (3168, 81424), (3584, 71973), (3696, 69792), (4032, 63976), (4224, 61068), (4362, 59136), (4608, 55979), (4928, 52344), (5089, 50688), (5376, 47982), (5544, 46528), (5632, 45801), (5816, 44352), (6336, 40712), (6543, 39424), (7392, 34896), (7997, 32256), (8064, 31988), (8448, 30534), (8724, 29568), (9856, 26172), (10178, 25344), (10752, 23991), (11088, 23264), (11632, 22176), (12672, 20356), (13086, 19712), (14784, 17448), (15267, 16896), (15994, 16128)]