256646880

素因数分解:

$2^5\times 3^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:101

約数の個数: 576

約数和(自身を含む): 1109541888

約数和(自身を除く): 852895008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 27, 28, 30, 32, 35, 36, 40, 41, 42, 45, 46, 48, 54, 56, 60, 63, 69, 70, 72, 80, 81, 82, 84, 90, 92, 96, 105, 108, 112, 115, 120, 123, 126, 135, 138, 140, 144, 160, 161, 162, 164, 168, 180, 184, 189, 205, 207, 210, 216, 224, 230, 240, 243, 246, 252, 270, 276, 280, 287, 288, 315, 322, 324, 328, 336, 345, 360, 368, 369, 378, 405, 410, 414, 420, 432, 460, 480, 483, 486, 492, 504, 540, 552, 560, 567, 574, 615, 621, 630, 644, 648, 656, 672, 690, 720, 736, 738, 756, 805, 810, 820, 828, 840, 861, 864, 920, 943, 945, 966, 972, 984, 1008, 1035, 1080, 1104, 1107, 1120, 1134, 1148, 1215, 1230, 1242, 1260, 1288, 1296, 1312, 1380, 1435, 1440, 1449, 1476, 1512, 1610, 1620, 1640, 1656, 1680, 1701, 1722, 1840, 1845, 1863, 1886, 1890, 1932, 1944, 1968, 2016, 2070, 2160, 2208, 2214, 2268, 2296, 2415, 2430, 2460, 2484, 2520, 2576, 2583, 2592, 2760, 2829, 2835, 2870, 2898, 2952, 3024, 3105, 3220, 3240, 3280, 3312, 3321, 3360, 3402, 3444, 3680, 3690, 3726, 3772, 3780, 3864, 3888, 3936, 4140, 4305, 4320, 4347, 4428, 4536, 4592, 4715, 4830, 4860, 4920, 4968, 5040, 5152, 5166, 5520, 5535, 5589, 5658, 5670, 5740, 5796, 5904, 6048, 6210, 6440, 6480, 6560, 6601, 6624, 6642, 6804, 6888, 7245, 7380, 7452, 7544, 7560, 7728, 7749, 7776, 8280, 8487, 8505, 8610, 8694, 8856, 9072, 9184, 9315, 9430, 9660, 9720, 9840, 9936, 9963, 10080, 10332, 11040, 11070, 11178, 11316, 11340, 11480, 11592, 11808, 12420, 12880, 12915, 12960, 13041, 13202, 13284, 13608, 13776, 14145, 14490, 14760, 14904, 15088, 15120, 15456, 15498, 16560, 16605, 16974, 17010, 17220, 17388, 17712, 18144, 18630, 18860, 19320, 19440, 19680, 19803, 19872, 19926, 20664, 21735, 22140, 22356, 22632, 22680, 22960, 23184, 23247, 24840, 25461, 25760, 25830, 26082, 26404, 26568, 27216, 27552, 27945, 28290, 28980, 29520, 29808, 30176, 30240, 30996, 33005, 33120, 33210, 33948, 34020, 34440, 34776, 35424, 37260, 37720, 38640, 38745, 38880, 39123, 39606, 39852, 41328, 42435, 43470, 44280, 44712, 45264, 45360, 45920, 46368, 46494, 49680, 49815, 50922, 51660, 52164, 52808, 53136, 54432, 55890, 56580, 57960, 59040, 59409, 59616, 61992, 65205, 66010, 66420, 67896, 68040, 68880, 69552, 69741, 74520, 75440, 76383, 77280, 77490, 78246, 79212, 79704, 82656, 84870, 86940, 88560, 89424, 90528, 90720, 92988, 99015, 99360, 99630, 101844, 103320, 104328, 105616, 106272, 111780, 113160, 115920, 116235, 118818, 123984, 127305, 130410, 132020, 132840, 135792, 136080, 137760, 139104, 139482, 149040, 150880, 152766, 154980, 156492, 158424, 159408, 169740, 173880, 177120, 178227, 178848, 185976, 195615, 198030, 199260, 203688, 206640, 208656, 211232, 223560, 226320, 229149, 231840, 232470, 237636, 247968, 254610, 260820, 264040, 265680, 271584, 272160, 278964, 297045, 298080, 305532, 309960, 312984, 316848, 318816, 339480, 347760, 348705, 356454, 371952, 381915, 391230, 396060, 398520, 407376, 413280, 417312, 447120, 452640, 458298, 464940, 475272, 509220, 521640, 528080, 531360, 534681, 557928, 594090, 611064, 619920, 625968, 633696, 678960, 695520, 697410, 712908, 743904, 763830, 782460, 792120, 797040, 814752, 891135, 894240, 916596, 929880, 950544, 1018440, 1043280, 1056160, 1069362, 1115856, 1145745, 1188180, 1222128, 1239840, 1251936, 1357920, 1394820, 1425816, 1527660, 1564920, 1584240, 1594080, 1604043, 1782270, 1833192, 1859760, 1901088, 2036880, 2086560, 2138724, 2231712, 2291490, 2376360, 2444256, 2673405, 2789640, 2851632, 3055320, 3129840, 3168480, 3208086, 3564540, 3666384, 3719520, 4073760, 4277448, 4582980, 4752720, 5346810, 5579280, 5703264, 6110640, 6259680, 6416172, 7129080, 7332768, 8020215, 8554896, 9165960, 9505440, 10693620, 11158560, 12221280, 12832344, 14258160, 16040430, 17109792, 18331920, 21387240, 25664688, 28516320, 32080860, 36663840, 42774480, 51329376, 64161720, 85548960, 128323440, 256646880]

約数ペア:

[(1, 256646880), (2, 128323440), (3, 85548960), (4, 64161720), (5, 51329376), (6, 42774480), (7, 36663840), (8, 32080860), (9, 28516320), (10, 25664688), (12, 21387240), (14, 18331920), (15, 17109792), (16, 16040430), (18, 14258160), (20, 12832344), (21, 12221280), (23, 11158560), (24, 10693620), (27, 9505440), (28, 9165960), (30, 8554896), (32, 8020215), (35, 7332768), (36, 7129080), (40, 6416172), (41, 6259680), (42, 6110640), (45, 5703264), (46, 5579280), (48, 5346810), (54, 4752720), (56, 4582980), (60, 4277448), (63, 4073760), (69, 3719520), (70, 3666384), (72, 3564540), (80, 3208086), (81, 3168480), (82, 3129840), (84, 3055320), (90, 2851632), (92, 2789640), (96, 2673405), (105, 2444256), (108, 2376360), (112, 2291490), (115, 2231712), (120, 2138724), (123, 2086560), (126, 2036880), (135, 1901088), (138, 1859760), (140, 1833192), (144, 1782270), (160, 1604043), (161, 1594080), (162, 1584240), (164, 1564920), (168, 1527660), (180, 1425816), (184, 1394820), (189, 1357920), (205, 1251936), (207, 1239840), (210, 1222128), (216, 1188180), (224, 1145745), (230, 1115856), (240, 1069362), (243, 1056160), (246, 1043280), (252, 1018440), (270, 950544), (276, 929880), (280, 916596), (287, 894240), (288, 891135), (315, 814752), (322, 797040), (324, 792120), (328, 782460), (336, 763830), (345, 743904), (360, 712908), (368, 697410), (369, 695520), (378, 678960), (405, 633696), (410, 625968), (414, 619920), (420, 611064), (432, 594090), (460, 557928), (480, 534681), (483, 531360), (486, 528080), (492, 521640), (504, 509220), (540, 475272), (552, 464940), (560, 458298), (567, 452640), (574, 447120), (615, 417312), (621, 413280), (630, 407376), (644, 398520), (648, 396060), (656, 391230), (672, 381915), (690, 371952), (720, 356454), (736, 348705), (738, 347760), (756, 339480), (805, 318816), (810, 316848), (820, 312984), (828, 309960), (840, 305532), (861, 298080), (864, 297045), (920, 278964), (943, 272160), (945, 271584), (966, 265680), (972, 264040), (984, 260820), (1008, 254610), (1035, 247968), (1080, 237636), (1104, 232470), (1107, 231840), (1120, 229149), (1134, 226320), (1148, 223560), (1215, 211232), (1230, 208656), (1242, 206640), (1260, 203688), (1288, 199260), (1296, 198030), (1312, 195615), (1380, 185976), (1435, 178848), (1440, 178227), (1449, 177120), (1476, 173880), (1512, 169740), (1610, 159408), (1620, 158424), (1640, 156492), (1656, 154980), (1680, 152766), (1701, 150880), (1722, 149040), (1840, 139482), (1845, 139104), (1863, 137760), (1886, 136080), (1890, 135792), (1932, 132840), (1944, 132020), (1968, 130410), (2016, 127305), (2070, 123984), (2160, 118818), (2208, 116235), (2214, 115920), (2268, 113160), (2296, 111780), (2415, 106272), (2430, 105616), (2460, 104328), (2484, 103320), (2520, 101844), (2576, 99630), (2583, 99360), (2592, 99015), (2760, 92988), (2829, 90720), (2835, 90528), (2870, 89424), (2898, 88560), (2952, 86940), (3024, 84870), (3105, 82656), (3220, 79704), (3240, 79212), (3280, 78246), (3312, 77490), (3321, 77280), (3360, 76383), (3402, 75440), (3444, 74520), (3680, 69741), (3690, 69552), (3726, 68880), (3772, 68040), (3780, 67896), (3864, 66420), (3888, 66010), (3936, 65205), (4140, 61992), (4305, 59616), (4320, 59409), (4347, 59040), (4428, 57960), (4536, 56580), (4592, 55890), (4715, 54432), (4830, 53136), (4860, 52808), (4920, 52164), (4968, 51660), (5040, 50922), (5152, 49815), (5166, 49680), (5520, 46494), (5535, 46368), (5589, 45920), (5658, 45360), (5670, 45264), (5740, 44712), (5796, 44280), (5904, 43470), (6048, 42435), (6210, 41328), (6440, 39852), (6480, 39606), (6560, 39123), (6601, 38880), (6624, 38745), (6642, 38640), (6804, 37720), (6888, 37260), (7245, 35424), (7380, 34776), (7452, 34440), (7544, 34020), (7560, 33948), (7728, 33210), (7749, 33120), (7776, 33005), (8280, 30996), (8487, 30240), (8505, 30176), (8610, 29808), (8694, 29520), (8856, 28980), (9072, 28290), (9184, 27945), (9315, 27552), (9430, 27216), (9660, 26568), (9720, 26404), (9840, 26082), (9936, 25830), (9963, 25760), (10080, 25461), (10332, 24840), (11040, 23247), (11070, 23184), (11178, 22960), (11316, 22680), (11340, 22632), (11480, 22356), (11592, 22140), (11808, 21735), (12420, 20664), (12880, 19926), (12915, 19872), (12960, 19803), (13041, 19680), (13202, 19440), (13284, 19320), (13608, 18860), (13776, 18630), (14145, 18144), (14490, 17712), (14760, 17388), (14904, 17220), (15088, 17010), (15120, 16974), (15456, 16605), (15498, 16560)]