31839360

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:155

約数の個数: 256

約数和(自身を含む): 122204160

約数和(自身を除く): 90364800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 64, 69, 70, 80, 84, 92, 96, 103, 105, 112, 115, 120, 128, 138, 140, 160, 161, 168, 184, 192, 206, 210, 224, 230, 240, 276, 280, 309, 320, 322, 336, 345, 368, 384, 412, 420, 448, 460, 480, 483, 515, 552, 560, 618, 640, 644, 672, 690, 721, 736, 805, 824, 840, 896, 920, 960, 966, 1030, 1104, 1120, 1236, 1288, 1344, 1380, 1442, 1472, 1545, 1610, 1648, 1680, 1840, 1920, 1932, 2060, 2163, 2208, 2240, 2369, 2415, 2472, 2576, 2688, 2760, 2884, 2944, 3090, 3220, 3296, 3360, 3605, 3680, 3864, 4120, 4326, 4416, 4480, 4738, 4830, 4944, 5152, 5520, 5768, 6180, 6440, 6592, 6720, 7107, 7210, 7360, 7728, 8240, 8652, 8832, 9476, 9660, 9888, 10304, 10815, 11040, 11536, 11845, 12360, 12880, 13184, 13440, 14214, 14420, 14720, 15456, 16480, 16583, 17304, 18952, 19320, 19776, 20608, 21630, 22080, 23072, 23690, 24720, 25760, 28428, 28840, 30912, 32960, 33166, 34608, 35535, 37904, 38640, 39552, 43260, 44160, 46144, 47380, 49440, 49749, 51520, 56856, 57680, 61824, 65920, 66332, 69216, 71070, 75808, 77280, 82915, 86520, 92288, 94760, 98880, 99498, 103040, 113712, 115360, 132664, 138432, 142140, 151616, 154560, 165830, 173040, 189520, 197760, 198996, 227424, 230720, 248745, 265328, 276864, 284280, 303232, 309120, 331660, 346080, 379040, 397992, 454848, 461440, 497490, 530656, 568560, 663320, 692160, 758080, 795984, 909696, 994980, 1061312, 1137120, 1326640, 1384320, 1516160, 1591968, 1989960, 2122624, 2274240, 2653280, 3183936, 3979920, 4548480, 5306560, 6367872, 7959840, 10613120, 15919680, 31839360]

約数ペア:

[(1, 31839360), (2, 15919680), (3, 10613120), (4, 7959840), (5, 6367872), (6, 5306560), (7, 4548480), (8, 3979920), (10, 3183936), (12, 2653280), (14, 2274240), (15, 2122624), (16, 1989960), (20, 1591968), (21, 1516160), (23, 1384320), (24, 1326640), (28, 1137120), (30, 1061312), (32, 994980), (35, 909696), (40, 795984), (42, 758080), (46, 692160), (48, 663320), (56, 568560), (60, 530656), (64, 497490), (69, 461440), (70, 454848), (80, 397992), (84, 379040), (92, 346080), (96, 331660), (103, 309120), (105, 303232), (112, 284280), (115, 276864), (120, 265328), (128, 248745), (138, 230720), (140, 227424), (160, 198996), (161, 197760), (168, 189520), (184, 173040), (192, 165830), (206, 154560), (210, 151616), (224, 142140), (230, 138432), (240, 132664), (276, 115360), (280, 113712), (309, 103040), (320, 99498), (322, 98880), (336, 94760), (345, 92288), (368, 86520), (384, 82915), (412, 77280), (420, 75808), (448, 71070), (460, 69216), (480, 66332), (483, 65920), (515, 61824), (552, 57680), (560, 56856), (618, 51520), (640, 49749), (644, 49440), (672, 47380), (690, 46144), (721, 44160), (736, 43260), (805, 39552), (824, 38640), (840, 37904), (896, 35535), (920, 34608), (960, 33166), (966, 32960), (1030, 30912), (1104, 28840), (1120, 28428), (1236, 25760), (1288, 24720), (1344, 23690), (1380, 23072), (1442, 22080), (1472, 21630), (1545, 20608), (1610, 19776), (1648, 19320), (1680, 18952), (1840, 17304), (1920, 16583), (1932, 16480), (2060, 15456), (2163, 14720), (2208, 14420), (2240, 14214), (2369, 13440), (2415, 13184), (2472, 12880), (2576, 12360), (2688, 11845), (2760, 11536), (2884, 11040), (2944, 10815), (3090, 10304), (3220, 9888), (3296, 9660), (3360, 9476), (3605, 8832), (3680, 8652), (3864, 8240), (4120, 7728), (4326, 7360), (4416, 7210), (4480, 7107), (4738, 6720), (4830, 6592), (4944, 6440), (5152, 6180), (5520, 5768)]