255521280

素因数分解:

$2^9\times 3^1\times 5^1\times 7^3\times {\mathrm{97}}^1$

素因数の和:144

約数の個数: 320

約数和(自身を含む): 962438400

約数和(自身を除く): 706917120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 97, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 194, 196, 210, 224, 240, 245, 256, 280, 291, 294, 320, 336, 343, 384, 388, 392, 420, 448, 480, 485, 490, 512, 560, 582, 588, 640, 672, 679, 686, 735, 768, 776, 784, 840, 896, 960, 970, 980, 1029, 1120, 1164, 1176, 1280, 1344, 1358, 1372, 1455, 1470, 1536, 1552, 1568, 1680, 1715, 1792, 1920, 1940, 1960, 2037, 2058, 2240, 2328, 2352, 2560, 2688, 2716, 2744, 2910, 2940, 3104, 3136, 3360, 3395, 3430, 3584, 3840, 3880, 3920, 4074, 4116, 4480, 4656, 4704, 4753, 5145, 5376, 5432, 5488, 5820, 5880, 6208, 6272, 6720, 6790, 6860, 7680, 7760, 7840, 8148, 8232, 8960, 9312, 9408, 9506, 10185, 10290, 10752, 10864, 10976, 11640, 11760, 12416, 12544, 13440, 13580, 13720, 14259, 15520, 15680, 16296, 16464, 17920, 18624, 18816, 19012, 20370, 20580, 21728, 21952, 23280, 23520, 23765, 24832, 25088, 26880, 27160, 27440, 28518, 31040, 31360, 32592, 32928, 33271, 37248, 37632, 38024, 40740, 41160, 43456, 43904, 46560, 47040, 47530, 49664, 53760, 54320, 54880, 57036, 62080, 62720, 65184, 65856, 66542, 71295, 74496, 75264, 76048, 81480, 82320, 86912, 87808, 93120, 94080, 95060, 99813, 108640, 109760, 114072, 124160, 125440, 130368, 131712, 133084, 142590, 148992, 152096, 162960, 164640, 166355, 173824, 175616, 186240, 188160, 190120, 199626, 217280, 219520, 228144, 248320, 260736, 263424, 266168, 285180, 304192, 325920, 329280, 332710, 347648, 372480, 376320, 380240, 399252, 434560, 439040, 456288, 499065, 521472, 526848, 532336, 570360, 608384, 651840, 658560, 665420, 744960, 760480, 798504, 869120, 878080, 912576, 998130, 1042944, 1064672, 1140720, 1216768, 1303680, 1317120, 1330840, 1520960, 1597008, 1738240, 1825152, 1996260, 2129344, 2281440, 2433536, 2607360, 2634240, 2661680, 3041920, 3194016, 3650304, 3992520, 4258688, 4562880, 5214720, 5323360, 6083840, 6388032, 7300608, 7985040, 8517376, 9125760, 10646720, 12167680, 12776064, 15970080, 17034752, 18251520, 21293440, 25552128, 31940160, 36503040, 42586880, 51104256, 63880320, 85173760, 127760640, 255521280]

約数ペア:

[(1, 255521280), (2, 127760640), (3, 85173760), (4, 63880320), (5, 51104256), (6, 42586880), (7, 36503040), (8, 31940160), (10, 25552128), (12, 21293440), (14, 18251520), (15, 17034752), (16, 15970080), (20, 12776064), (21, 12167680), (24, 10646720), (28, 9125760), (30, 8517376), (32, 7985040), (35, 7300608), (40, 6388032), (42, 6083840), (48, 5323360), (49, 5214720), (56, 4562880), (60, 4258688), (64, 3992520), (70, 3650304), (80, 3194016), (84, 3041920), (96, 2661680), (97, 2634240), (98, 2607360), (105, 2433536), (112, 2281440), (120, 2129344), (128, 1996260), (140, 1825152), (147, 1738240), (160, 1597008), (168, 1520960), (192, 1330840), (194, 1317120), (196, 1303680), (210, 1216768), (224, 1140720), (240, 1064672), (245, 1042944), (256, 998130), (280, 912576), (291, 878080), (294, 869120), (320, 798504), (336, 760480), (343, 744960), (384, 665420), (388, 658560), (392, 651840), (420, 608384), (448, 570360), (480, 532336), (485, 526848), (490, 521472), (512, 499065), (560, 456288), (582, 439040), (588, 434560), (640, 399252), (672, 380240), (679, 376320), (686, 372480), (735, 347648), (768, 332710), (776, 329280), (784, 325920), (840, 304192), (896, 285180), (960, 266168), (970, 263424), (980, 260736), (1029, 248320), (1120, 228144), (1164, 219520), (1176, 217280), (1280, 199626), (1344, 190120), (1358, 188160), (1372, 186240), (1455, 175616), (1470, 173824), (1536, 166355), (1552, 164640), (1568, 162960), (1680, 152096), (1715, 148992), (1792, 142590), (1920, 133084), (1940, 131712), (1960, 130368), (2037, 125440), (2058, 124160), (2240, 114072), (2328, 109760), (2352, 108640), (2560, 99813), (2688, 95060), (2716, 94080), (2744, 93120), (2910, 87808), (2940, 86912), (3104, 82320), (3136, 81480), (3360, 76048), (3395, 75264), (3430, 74496), (3584, 71295), (3840, 66542), (3880, 65856), (3920, 65184), (4074, 62720), (4116, 62080), (4480, 57036), (4656, 54880), (4704, 54320), (4753, 53760), (5145, 49664), (5376, 47530), (5432, 47040), (5488, 46560), (5820, 43904), (5880, 43456), (6208, 41160), (6272, 40740), (6720, 38024), (6790, 37632), (6860, 37248), (7680, 33271), (7760, 32928), (7840, 32592), (8148, 31360), (8232, 31040), (8960, 28518), (9312, 27440), (9408, 27160), (9506, 26880), (10185, 25088), (10290, 24832), (10752, 23765), (10864, 23520), (10976, 23280), (11640, 21952), (11760, 21728), (12416, 20580), (12544, 20370), (13440, 19012), (13580, 18816), (13720, 18624), (14259, 17920), (15520, 16464), (15680, 16296)]