255939840

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1709}}^1$

素因数の和:1749

約数の個数: 216

約数和(自身を含む): 954200520

約数和(自身を除く): 698260680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 576, 585, 624, 640, 720, 768, 780, 832, 936, 960, 1040, 1152, 1170, 1248, 1280, 1440, 1560, 1664, 1709, 1872, 1920, 2080, 2304, 2340, 2496, 2880, 3120, 3328, 3418, 3744, 3840, 4160, 4680, 4992, 5127, 5760, 6240, 6836, 7488, 8320, 8545, 9360, 9984, 10254, 11520, 12480, 13672, 14976, 15381, 16640, 17090, 18720, 20508, 22217, 24960, 25635, 27344, 29952, 30762, 34180, 37440, 41016, 44434, 49920, 51270, 54688, 61524, 66651, 68360, 74880, 76905, 82032, 88868, 102540, 109376, 111085, 123048, 133302, 136720, 149760, 153810, 164064, 177736, 199953, 205080, 218752, 222170, 246096, 266604, 273440, 307620, 328128, 333255, 355472, 399906, 410160, 437504, 444340, 492192, 533208, 546880, 615240, 656256, 666510, 710944, 799812, 820320, 888680, 984384, 999765, 1066416, 1093760, 1230480, 1312512, 1333020, 1421888, 1599624, 1640640, 1777360, 1968768, 1999530, 2132832, 2187520, 2460960, 2666040, 2843776, 3199248, 3281280, 3554720, 3937536, 3999060, 4265664, 4921920, 5332080, 5687552, 6398496, 6562560, 7109440, 7998120, 8531328, 9843840, 10664160, 12796992, 14218880, 15996240, 17062656, 19687680, 21328320, 25593984, 28437760, 31992480, 42656640, 51187968, 63984960, 85313280, 127969920, 255939840]

約数ペア:

[(1, 255939840), (2, 127969920), (3, 85313280), (4, 63984960), (5, 51187968), (6, 42656640), (8, 31992480), (9, 28437760), (10, 25593984), (12, 21328320), (13, 19687680), (15, 17062656), (16, 15996240), (18, 14218880), (20, 12796992), (24, 10664160), (26, 9843840), (30, 8531328), (32, 7998120), (36, 7109440), (39, 6562560), (40, 6398496), (45, 5687552), (48, 5332080), (52, 4921920), (60, 4265664), (64, 3999060), (65, 3937536), (72, 3554720), (78, 3281280), (80, 3199248), (90, 2843776), (96, 2666040), (104, 2460960), (117, 2187520), (120, 2132832), (128, 1999530), (130, 1968768), (144, 1777360), (156, 1640640), (160, 1599624), (180, 1421888), (192, 1333020), (195, 1312512), (208, 1230480), (234, 1093760), (240, 1066416), (256, 999765), (260, 984384), (288, 888680), (312, 820320), (320, 799812), (360, 710944), (384, 666510), (390, 656256), (416, 615240), (468, 546880), (480, 533208), (520, 492192), (576, 444340), (585, 437504), (624, 410160), (640, 399906), (720, 355472), (768, 333255), (780, 328128), (832, 307620), (936, 273440), (960, 266604), (1040, 246096), (1152, 222170), (1170, 218752), (1248, 205080), (1280, 199953), (1440, 177736), (1560, 164064), (1664, 153810), (1709, 149760), (1872, 136720), (1920, 133302), (2080, 123048), (2304, 111085), (2340, 109376), (2496, 102540), (2880, 88868), (3120, 82032), (3328, 76905), (3418, 74880), (3744, 68360), (3840, 66651), (4160, 61524), (4680, 54688), (4992, 51270), (5127, 49920), (5760, 44434), (6240, 41016), (6836, 37440), (7488, 34180), (8320, 30762), (8545, 29952), (9360, 27344), (9984, 25635), (10254, 24960), (11520, 22217), (12480, 20508), (13672, 18720), (14976, 17090), (15381, 16640)]