257052960

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:560

約数の個数: 192

約数和(自身を含む): 907804800

約数和(自身を除く): 650751840

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, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 157, 160, 180, 216, 240, 270, 288, 314, 360, 379, 432, 471, 480, 540, 628, 720, 758, 785, 864, 942, 1080, 1137, 1256, 1413, 1440, 1516, 1570, 1884, 1895, 2160, 2274, 2355, 2512, 2826, 3032, 3140, 3411, 3768, 3790, 4239, 4320, 4548, 4710, 5024, 5652, 5685, 6064, 6280, 6822, 7065, 7536, 7580, 8478, 9096, 9420, 10233, 11304, 11370, 12128, 12560, 13644, 14130, 15072, 15160, 16956, 17055, 18192, 18840, 20466, 21195, 22608, 22740, 25120, 27288, 28260, 30320, 33912, 34110, 36384, 37680, 40932, 42390, 45216, 45480, 51165, 54576, 56520, 59503, 60640, 67824, 68220, 75360, 81864, 84780, 90960, 102330, 109152, 113040, 119006, 135648, 136440, 163728, 169560, 178509, 181920, 204660, 226080, 238012, 272880, 297515, 327456, 339120, 357018, 409320, 476024, 535527, 545760, 595030, 678240, 714036, 818640, 892545, 952048, 1071054, 1190060, 1428072, 1606581, 1637280, 1785090, 1904096, 2142108, 2380120, 2677635, 2856144, 3213162, 3570180, 4284216, 4760240, 5355270, 5712288, 6426324, 7140360, 8032905, 8568432, 9520480, 10710540, 12852648, 14280720, 16065810, 17136864, 21421080, 25705296, 28561440, 32131620, 42842160, 51410592, 64263240, 85684320, 128526480, 257052960]

約数ペア:

[(1, 257052960), (2, 128526480), (3, 85684320), (4, 64263240), (5, 51410592), (6, 42842160), (8, 32131620), (9, 28561440), (10, 25705296), (12, 21421080), (15, 17136864), (16, 16065810), (18, 14280720), (20, 12852648), (24, 10710540), (27, 9520480), (30, 8568432), (32, 8032905), (36, 7140360), (40, 6426324), (45, 5712288), (48, 5355270), (54, 4760240), (60, 4284216), (72, 3570180), (80, 3213162), (90, 2856144), (96, 2677635), (108, 2380120), (120, 2142108), (135, 1904096), (144, 1785090), (157, 1637280), (160, 1606581), (180, 1428072), (216, 1190060), (240, 1071054), (270, 952048), (288, 892545), (314, 818640), (360, 714036), (379, 678240), (432, 595030), (471, 545760), (480, 535527), (540, 476024), (628, 409320), (720, 357018), (758, 339120), (785, 327456), (864, 297515), (942, 272880), (1080, 238012), (1137, 226080), (1256, 204660), (1413, 181920), (1440, 178509), (1516, 169560), (1570, 163728), (1884, 136440), (1895, 135648), (2160, 119006), (2274, 113040), (2355, 109152), (2512, 102330), (2826, 90960), (3032, 84780), (3140, 81864), (3411, 75360), (3768, 68220), (3790, 67824), (4239, 60640), (4320, 59503), (4548, 56520), (4710, 54576), (5024, 51165), (5652, 45480), (5685, 45216), (6064, 42390), (6280, 40932), (6822, 37680), (7065, 36384), (7536, 34110), (7580, 33912), (8478, 30320), (9096, 28260), (9420, 27288), (10233, 25120), (11304, 22740), (11370, 22608), (12128, 21195), (12560, 20466), (13644, 18840), (14130, 18192), (15072, 17055), (15160, 16956)]