261556992

素因数分解:

$2^8\times 3^3\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:583

約数の個数: 144

約数和(自身を含む): 784896000

約数和(自身を除く): 523339008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 79, 96, 108, 128, 144, 158, 192, 216, 237, 256, 288, 316, 384, 432, 474, 479, 576, 632, 711, 768, 864, 948, 958, 1152, 1264, 1422, 1437, 1728, 1896, 1916, 2133, 2304, 2528, 2844, 2874, 3456, 3792, 3832, 4266, 4311, 5056, 5688, 5748, 6912, 7584, 7664, 8532, 8622, 10112, 11376, 11496, 12933, 15168, 15328, 17064, 17244, 20224, 22752, 22992, 25866, 30336, 30656, 34128, 34488, 37841, 45504, 45984, 51732, 60672, 61312, 68256, 68976, 75682, 91008, 91968, 103464, 113523, 122624, 136512, 137952, 151364, 182016, 183936, 206928, 227046, 273024, 275904, 302728, 340569, 367872, 413856, 454092, 546048, 551808, 605456, 681138, 827712, 908184, 1021707, 1103616, 1210912, 1362276, 1655424, 1816368, 2043414, 2421824, 2724552, 3310848, 3632736, 4086828, 4843648, 5449104, 7265472, 8173656, 9687296, 10898208, 14530944, 16347312, 21796416, 29061888, 32694624, 43592832, 65389248, 87185664, 130778496, 261556992]

約数ペア:

[(1, 261556992), (2, 130778496), (3, 87185664), (4, 65389248), (6, 43592832), (8, 32694624), (9, 29061888), (12, 21796416), (16, 16347312), (18, 14530944), (24, 10898208), (27, 9687296), (32, 8173656), (36, 7265472), (48, 5449104), (54, 4843648), (64, 4086828), (72, 3632736), (79, 3310848), (96, 2724552), (108, 2421824), (128, 2043414), (144, 1816368), (158, 1655424), (192, 1362276), (216, 1210912), (237, 1103616), (256, 1021707), (288, 908184), (316, 827712), (384, 681138), (432, 605456), (474, 551808), (479, 546048), (576, 454092), (632, 413856), (711, 367872), (768, 340569), (864, 302728), (948, 275904), (958, 273024), (1152, 227046), (1264, 206928), (1422, 183936), (1437, 182016), (1728, 151364), (1896, 137952), (1916, 136512), (2133, 122624), (2304, 113523), (2528, 103464), (2844, 91968), (2874, 91008), (3456, 75682), (3792, 68976), (3832, 68256), (4266, 61312), (4311, 60672), (5056, 51732), (5688, 45984), (5748, 45504), (6912, 37841), (7584, 34488), (7664, 34128), (8532, 30656), (8622, 30336), (10112, 25866), (11376, 22992), (11496, 22752), (12933, 20224), (15168, 17244), (15328, 17064)]