256439040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1$

素因数の和:515

約数の個数: 288

約数和(自身を含む): 964244736

約数和(自身を除く): 707805696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 64, 65, 66, 78, 80, 88, 96, 104, 110, 120, 128, 130, 132, 143, 156, 160, 165, 176, 192, 195, 208, 220, 240, 256, 260, 264, 286, 312, 320, 330, 352, 384, 390, 416, 429, 440, 467, 480, 520, 528, 572, 624, 640, 660, 704, 715, 768, 780, 832, 858, 880, 934, 960, 1040, 1056, 1144, 1248, 1280, 1320, 1401, 1408, 1430, 1560, 1664, 1716, 1760, 1868, 1920, 2080, 2112, 2145, 2288, 2335, 2496, 2640, 2802, 2816, 2860, 3120, 3328, 3432, 3520, 3736, 3840, 4160, 4224, 4290, 4576, 4670, 4992, 5137, 5280, 5604, 5720, 6071, 6240, 6864, 7005, 7040, 7472, 8320, 8448, 8580, 9152, 9340, 9984, 10274, 10560, 11208, 11440, 12142, 12480, 13728, 14010, 14080, 14944, 15411, 16640, 17160, 18213, 18304, 18680, 20548, 21120, 22416, 22880, 24284, 24960, 25685, 27456, 28020, 29888, 30355, 30822, 34320, 36426, 36608, 37360, 41096, 42240, 44832, 45760, 48568, 49920, 51370, 54912, 56040, 59776, 60710, 61644, 66781, 68640, 72852, 74720, 77055, 82192, 89664, 91065, 91520, 97136, 102740, 109824, 112080, 119552, 121420, 123288, 133562, 137280, 145704, 149440, 154110, 164384, 179328, 182130, 183040, 194272, 200343, 205480, 224160, 242840, 246576, 267124, 274560, 291408, 298880, 308220, 328768, 333905, 358656, 364260, 388544, 400686, 410960, 448320, 485680, 493152, 534248, 549120, 582816, 597760, 616440, 657536, 667810, 728520, 777088, 801372, 821920, 896640, 971360, 986304, 1001715, 1068496, 1165632, 1232880, 1315072, 1335620, 1457040, 1554176, 1602744, 1643840, 1793280, 1942720, 1972608, 2003430, 2136992, 2331264, 2465760, 2671240, 2914080, 3205488, 3287680, 3885440, 3945216, 4006860, 4273984, 4662528, 4931520, 5342480, 5828160, 6410976, 6575360, 7770880, 8013720, 8547968, 9863040, 10684960, 11656320, 12821952, 16027440, 17095936, 19726080, 21369920, 23312640, 25643904, 32054880, 42739840, 51287808, 64109760, 85479680, 128219520, 256439040]

約数ペア:

[(1, 256439040), (2, 128219520), (3, 85479680), (4, 64109760), (5, 51287808), (6, 42739840), (8, 32054880), (10, 25643904), (11, 23312640), (12, 21369920), (13, 19726080), (15, 17095936), (16, 16027440), (20, 12821952), (22, 11656320), (24, 10684960), (26, 9863040), (30, 8547968), (32, 8013720), (33, 7770880), (39, 6575360), (40, 6410976), (44, 5828160), (48, 5342480), (52, 4931520), (55, 4662528), (60, 4273984), (64, 4006860), (65, 3945216), (66, 3885440), (78, 3287680), (80, 3205488), (88, 2914080), (96, 2671240), (104, 2465760), (110, 2331264), (120, 2136992), (128, 2003430), (130, 1972608), (132, 1942720), (143, 1793280), (156, 1643840), (160, 1602744), (165, 1554176), (176, 1457040), (192, 1335620), (195, 1315072), (208, 1232880), (220, 1165632), (240, 1068496), (256, 1001715), (260, 986304), (264, 971360), (286, 896640), (312, 821920), (320, 801372), (330, 777088), (352, 728520), (384, 667810), (390, 657536), (416, 616440), (429, 597760), (440, 582816), (467, 549120), (480, 534248), (520, 493152), (528, 485680), (572, 448320), (624, 410960), (640, 400686), (660, 388544), (704, 364260), (715, 358656), (768, 333905), (780, 328768), (832, 308220), (858, 298880), (880, 291408), (934, 274560), (960, 267124), (1040, 246576), (1056, 242840), (1144, 224160), (1248, 205480), (1280, 200343), (1320, 194272), (1401, 183040), (1408, 182130), (1430, 179328), (1560, 164384), (1664, 154110), (1716, 149440), (1760, 145704), (1868, 137280), (1920, 133562), (2080, 123288), (2112, 121420), (2145, 119552), (2288, 112080), (2335, 109824), (2496, 102740), (2640, 97136), (2802, 91520), (2816, 91065), (2860, 89664), (3120, 82192), (3328, 77055), (3432, 74720), (3520, 72852), (3736, 68640), (3840, 66781), (4160, 61644), (4224, 60710), (4290, 59776), (4576, 56040), (4670, 54912), (4992, 51370), (5137, 49920), (5280, 48568), (5604, 45760), (5720, 44832), (6071, 42240), (6240, 41096), (6864, 37360), (7005, 36608), (7040, 36426), (7472, 34320), (8320, 30822), (8448, 30355), (8580, 29888), (9152, 28020), (9340, 27456), (9984, 25685), (10274, 24960), (10560, 24284), (11208, 22880), (11440, 22416), (12142, 21120), (12480, 20548), (13728, 18680), (14010, 18304), (14080, 18213), (14944, 17160), (15411, 16640)]