257351040

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:362

約数の個数: 256

約数和(自身を含む): 931953600

約数和(自身を除く): 674602560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 53, 54, 60, 64, 72, 80, 90, 96, 106, 108, 120, 128, 135, 144, 159, 160, 180, 192, 212, 216, 240, 265, 270, 281, 288, 318, 320, 360, 384, 424, 432, 477, 480, 530, 540, 562, 576, 636, 640, 720, 795, 843, 848, 864, 954, 960, 1060, 1080, 1124, 1152, 1272, 1405, 1431, 1440, 1590, 1686, 1696, 1728, 1908, 1920, 2120, 2160, 2248, 2385, 2529, 2544, 2810, 2862, 2880, 3180, 3372, 3392, 3456, 3816, 4215, 4240, 4320, 4496, 4770, 5058, 5088, 5620, 5724, 5760, 6360, 6744, 6784, 7155, 7587, 7632, 8430, 8480, 8640, 8992, 9540, 10116, 10176, 11240, 11448, 12645, 12720, 13488, 14310, 14893, 15174, 15264, 16860, 16960, 17280, 17984, 19080, 20232, 20352, 22480, 22896, 25290, 25440, 26976, 28620, 29786, 30348, 30528, 33720, 33920, 35968, 37935, 38160, 40464, 44679, 44960, 45792, 50580, 50880, 53952, 57240, 59572, 60696, 61056, 67440, 74465, 75870, 76320, 80928, 89358, 89920, 91584, 101160, 101760, 107904, 114480, 119144, 121392, 134037, 134880, 148930, 151740, 152640, 161856, 178716, 179840, 183168, 202320, 223395, 228960, 238288, 242784, 268074, 269760, 297860, 303480, 305280, 323712, 357432, 402111, 404640, 446790, 457920, 476576, 485568, 536148, 539520, 595720, 606960, 670185, 714864, 804222, 809280, 893580, 915840, 953152, 971136, 1072296, 1191440, 1213920, 1340370, 1429728, 1608444, 1618560, 1787160, 1906304, 2010555, 2144592, 2382880, 2427840, 2680740, 2859456, 3216888, 3574320, 4021110, 4289184, 4765760, 4855680, 5361480, 5718912, 6433776, 7148640, 8042220, 8578368, 9531520, 10722960, 12867552, 14297280, 16084440, 17156736, 21445920, 25735104, 28594560, 32168880, 42891840, 51470208, 64337760, 85783680, 128675520, 257351040]

約数ペア:

[(1, 257351040), (2, 128675520), (3, 85783680), (4, 64337760), (5, 51470208), (6, 42891840), (8, 32168880), (9, 28594560), (10, 25735104), (12, 21445920), (15, 17156736), (16, 16084440), (18, 14297280), (20, 12867552), (24, 10722960), (27, 9531520), (30, 8578368), (32, 8042220), (36, 7148640), (40, 6433776), (45, 5718912), (48, 5361480), (53, 4855680), (54, 4765760), (60, 4289184), (64, 4021110), (72, 3574320), (80, 3216888), (90, 2859456), (96, 2680740), (106, 2427840), (108, 2382880), (120, 2144592), (128, 2010555), (135, 1906304), (144, 1787160), (159, 1618560), (160, 1608444), (180, 1429728), (192, 1340370), (212, 1213920), (216, 1191440), (240, 1072296), (265, 971136), (270, 953152), (281, 915840), (288, 893580), (318, 809280), (320, 804222), (360, 714864), (384, 670185), (424, 606960), (432, 595720), (477, 539520), (480, 536148), (530, 485568), (540, 476576), (562, 457920), (576, 446790), (636, 404640), (640, 402111), (720, 357432), (795, 323712), (843, 305280), (848, 303480), (864, 297860), (954, 269760), (960, 268074), (1060, 242784), (1080, 238288), (1124, 228960), (1152, 223395), (1272, 202320), (1405, 183168), (1431, 179840), (1440, 178716), (1590, 161856), (1686, 152640), (1696, 151740), (1728, 148930), (1908, 134880), (1920, 134037), (2120, 121392), (2160, 119144), (2248, 114480), (2385, 107904), (2529, 101760), (2544, 101160), (2810, 91584), (2862, 89920), (2880, 89358), (3180, 80928), (3372, 76320), (3392, 75870), (3456, 74465), (3816, 67440), (4215, 61056), (4240, 60696), (4320, 59572), (4496, 57240), (4770, 53952), (5058, 50880), (5088, 50580), (5620, 45792), (5724, 44960), (5760, 44679), (6360, 40464), (6744, 38160), (6784, 37935), (7155, 35968), (7587, 33920), (7632, 33720), (8430, 30528), (8480, 30348), (8640, 29786), (8992, 28620), (9540, 26976), (10116, 25440), (10176, 25290), (11240, 22896), (11448, 22480), (12645, 20352), (12720, 20232), (13488, 19080), (14310, 17984), (14893, 17280), (15174, 16960), (15264, 16860)]