1257431040

素因数分解:

$2^{13}\times 3^4\times 5^1\times {\mathrm{379}}^1$

素因数の和:422

約数の個数: 280

約数和(自身を含む): 4519742040

約数和(自身を除く): 3262311000

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, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 379, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 758, 768, 810, 864, 960, 1024, 1080, 1137, 1152, 1280, 1296, 1440, 1516, 1536, 1620, 1728, 1895, 1920, 2048, 2160, 2274, 2304, 2560, 2592, 2880, 3032, 3072, 3240, 3411, 3456, 3790, 3840, 4096, 4320, 4548, 4608, 5120, 5184, 5685, 5760, 6064, 6144, 6480, 6822, 6912, 7580, 7680, 8192, 8640, 9096, 9216, 10233, 10240, 10368, 11370, 11520, 12128, 12288, 12960, 13644, 13824, 15160, 15360, 17055, 17280, 18192, 18432, 20466, 20480, 20736, 22740, 23040, 24256, 24576, 25920, 27288, 27648, 30320, 30699, 30720, 34110, 34560, 36384, 36864, 40932, 40960, 41472, 45480, 46080, 48512, 51165, 51840, 54576, 55296, 60640, 61398, 61440, 68220, 69120, 72768, 73728, 81864, 82944, 90960, 92160, 97024, 102330, 103680, 109152, 110592, 121280, 122796, 122880, 136440, 138240, 145536, 153495, 163728, 165888, 181920, 184320, 194048, 204660, 207360, 218304, 221184, 242560, 245592, 272880, 276480, 291072, 306990, 327456, 331776, 363840, 368640, 388096, 409320, 414720, 436608, 485120, 491184, 545760, 552960, 582144, 613980, 654912, 663552, 727680, 776192, 818640, 829440, 873216, 970240, 982368, 1091520, 1105920, 1164288, 1227960, 1309824, 1455360, 1552384, 1637280, 1658880, 1746432, 1940480, 1964736, 2183040, 2328576, 2455920, 2619648, 2910720, 3104768, 3274560, 3317760, 3492864, 3880960, 3929472, 4366080, 4657152, 4911840, 5239296, 5821440, 6549120, 6985728, 7761920, 7858944, 8732160, 9314304, 9823680, 10478592, 11642880, 13098240, 13971456, 15523840, 15717888, 17464320, 19647360, 20957184, 23285760, 26196480, 27942912, 31435776, 34928640, 39294720, 41914368, 46571520, 52392960, 62871552, 69857280, 78589440, 83828736, 104785920, 125743104, 139714560, 157178880, 209571840, 251486208, 314357760, 419143680, 628715520, 1257431040]

約数ペア:

[(1, 1257431040), (2, 628715520), (3, 419143680), (4, 314357760), (5, 251486208), (6, 209571840), (8, 157178880), (9, 139714560), (10, 125743104), (12, 104785920), (15, 83828736), (16, 78589440), (18, 69857280), (20, 62871552), (24, 52392960), (27, 46571520), (30, 41914368), (32, 39294720), (36, 34928640), (40, 31435776), (45, 27942912), (48, 26196480), (54, 23285760), (60, 20957184), (64, 19647360), (72, 17464320), (80, 15717888), (81, 15523840), (90, 13971456), (96, 13098240), (108, 11642880), (120, 10478592), (128, 9823680), (135, 9314304), (144, 8732160), (160, 7858944), (162, 7761920), (180, 6985728), (192, 6549120), (216, 5821440), (240, 5239296), (256, 4911840), (270, 4657152), (288, 4366080), (320, 3929472), (324, 3880960), (360, 3492864), (379, 3317760), (384, 3274560), (405, 3104768), (432, 2910720), (480, 2619648), (512, 2455920), (540, 2328576), (576, 2183040), (640, 1964736), (648, 1940480), (720, 1746432), (758, 1658880), (768, 1637280), (810, 1552384), (864, 1455360), (960, 1309824), (1024, 1227960), (1080, 1164288), (1137, 1105920), (1152, 1091520), (1280, 982368), (1296, 970240), (1440, 873216), (1516, 829440), (1536, 818640), (1620, 776192), (1728, 727680), (1895, 663552), (1920, 654912), (2048, 613980), (2160, 582144), (2274, 552960), (2304, 545760), (2560, 491184), (2592, 485120), (2880, 436608), (3032, 414720), (3072, 409320), (3240, 388096), (3411, 368640), (3456, 363840), (3790, 331776), (3840, 327456), (4096, 306990), (4320, 291072), (4548, 276480), (4608, 272880), (5120, 245592), (5184, 242560), (5685, 221184), (5760, 218304), (6064, 207360), (6144, 204660), (6480, 194048), (6822, 184320), (6912, 181920), (7580, 165888), (7680, 163728), (8192, 153495), (8640, 145536), (9096, 138240), (9216, 136440), (10233, 122880), (10240, 122796), (10368, 121280), (11370, 110592), (11520, 109152), (12128, 103680), (12288, 102330), (12960, 97024), (13644, 92160), (13824, 90960), (15160, 82944), (15360, 81864), (17055, 73728), (17280, 72768), (18192, 69120), (18432, 68220), (20466, 61440), (20480, 61398), (20736, 60640), (22740, 55296), (23040, 54576), (24256, 51840), (24576, 51165), (25920, 48512), (27288, 46080), (27648, 45480), (30320, 41472), (30699, 40960), (30720, 40932), (34110, 36864), (34560, 36384)]