261983232

素因数分解:

$2^{10}\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:195

約数の個数: 264

約数和(自身を含む): 899238912

約数和(自身を除く): 637255680

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 84, 93, 96, 112, 124, 126, 128, 131, 144, 168, 186, 192, 217, 224, 248, 252, 256, 262, 279, 288, 336, 372, 384, 393, 434, 448, 496, 504, 512, 524, 558, 576, 651, 672, 744, 768, 786, 868, 896, 917, 992, 1008, 1024, 1048, 1116, 1152, 1179, 1302, 1344, 1488, 1536, 1572, 1736, 1792, 1834, 1953, 1984, 2016, 2096, 2232, 2304, 2358, 2604, 2688, 2751, 2976, 3072, 3144, 3472, 3584, 3668, 3906, 3968, 4032, 4061, 4192, 4464, 4608, 4716, 5208, 5376, 5502, 5952, 6288, 6944, 7168, 7336, 7812, 7936, 8064, 8122, 8253, 8384, 8928, 9216, 9432, 10416, 10752, 11004, 11904, 12183, 12576, 13888, 14672, 15624, 15872, 16128, 16244, 16506, 16768, 17856, 18864, 20832, 21504, 22008, 23808, 24366, 25152, 27776, 28427, 29344, 31248, 31744, 32256, 32488, 33012, 33536, 35712, 36549, 37728, 41664, 44016, 47616, 48732, 50304, 55552, 56854, 58688, 62496, 64512, 64976, 66024, 67072, 71424, 73098, 75456, 83328, 85281, 88032, 95232, 97464, 100608, 111104, 113708, 117376, 124992, 129952, 132048, 134144, 142848, 146196, 150912, 166656, 170562, 176064, 194928, 201216, 222208, 227416, 234752, 249984, 255843, 259904, 264096, 285696, 292392, 301824, 333312, 341124, 352128, 389856, 402432, 454832, 469504, 499968, 511686, 519808, 528192, 584784, 603648, 666624, 682248, 704256, 779712, 909664, 939008, 999936, 1023372, 1039616, 1056384, 1169568, 1207296, 1364496, 1408512, 1559424, 1819328, 1999872, 2046744, 2079232, 2112768, 2339136, 2728992, 2817024, 3118848, 3638656, 4093488, 4158464, 4225536, 4678272, 5457984, 6237696, 7277312, 8186976, 8451072, 9356544, 10915968, 12475392, 14554624, 16373952, 18713088, 21831936, 29109248, 32747904, 37426176, 43663872, 65495808, 87327744, 130991616, 261983232]

約数ペア:

[(1, 261983232), (2, 130991616), (3, 87327744), (4, 65495808), (6, 43663872), (7, 37426176), (8, 32747904), (9, 29109248), (12, 21831936), (14, 18713088), (16, 16373952), (18, 14554624), (21, 12475392), (24, 10915968), (28, 9356544), (31, 8451072), (32, 8186976), (36, 7277312), (42, 6237696), (48, 5457984), (56, 4678272), (62, 4225536), (63, 4158464), (64, 4093488), (72, 3638656), (84, 3118848), (93, 2817024), (96, 2728992), (112, 2339136), (124, 2112768), (126, 2079232), (128, 2046744), (131, 1999872), (144, 1819328), (168, 1559424), (186, 1408512), (192, 1364496), (217, 1207296), (224, 1169568), (248, 1056384), (252, 1039616), (256, 1023372), (262, 999936), (279, 939008), (288, 909664), (336, 779712), (372, 704256), (384, 682248), (393, 666624), (434, 603648), (448, 584784), (496, 528192), (504, 519808), (512, 511686), (524, 499968), (558, 469504), (576, 454832), (651, 402432), (672, 389856), (744, 352128), (768, 341124), (786, 333312), (868, 301824), (896, 292392), (917, 285696), (992, 264096), (1008, 259904), (1024, 255843), (1048, 249984), (1116, 234752), (1152, 227416), (1179, 222208), (1302, 201216), (1344, 194928), (1488, 176064), (1536, 170562), (1572, 166656), (1736, 150912), (1792, 146196), (1834, 142848), (1953, 134144), (1984, 132048), (2016, 129952), (2096, 124992), (2232, 117376), (2304, 113708), (2358, 111104), (2604, 100608), (2688, 97464), (2751, 95232), (2976, 88032), (3072, 85281), (3144, 83328), (3472, 75456), (3584, 73098), (3668, 71424), (3906, 67072), (3968, 66024), (4032, 64976), (4061, 64512), (4192, 62496), (4464, 58688), (4608, 56854), (4716, 55552), (5208, 50304), (5376, 48732), (5502, 47616), (5952, 44016), (6288, 41664), (6944, 37728), (7168, 36549), (7336, 35712), (7812, 33536), (7936, 33012), (8064, 32488), (8122, 32256), (8253, 31744), (8384, 31248), (8928, 29344), (9216, 28427), (9432, 27776), (10416, 25152), (10752, 24366), (11004, 23808), (11904, 22008), (12183, 21504), (12576, 20832), (13888, 18864), (14672, 17856), (15624, 16768), (15872, 16506), (16128, 16244)]