254979840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2887}}^1$

素因数の和:2934

約数の個数: 144

約数和(自身を含む): 850042368

約数和(自身を除く): 595062528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 768, 920, 960, 1104, 1280, 1380, 1472, 1840, 1920, 2208, 2760, 2887, 2944, 3680, 3840, 4416, 5520, 5774, 5888, 7360, 8661, 8832, 11040, 11548, 14435, 14720, 17322, 17664, 22080, 23096, 28870, 29440, 34644, 43305, 44160, 46192, 57740, 66401, 69288, 86610, 88320, 92384, 115480, 132802, 138576, 173220, 184768, 199203, 230960, 265604, 277152, 332005, 346440, 369536, 398406, 461920, 531208, 554304, 664010, 692880, 739072, 796812, 923840, 996015, 1062416, 1108608, 1328020, 1385760, 1593624, 1847680, 1992030, 2124832, 2217216, 2656040, 2771520, 3187248, 3695360, 3984060, 4249664, 5312080, 5543040, 6374496, 7968120, 8499328, 10624160, 11086080, 12748992, 15936240, 16998656, 21248320, 25497984, 31872480, 42496640, 50995968, 63744960, 84993280, 127489920, 254979840]

約数ペア:

[(1, 254979840), (2, 127489920), (3, 84993280), (4, 63744960), (5, 50995968), (6, 42496640), (8, 31872480), (10, 25497984), (12, 21248320), (15, 16998656), (16, 15936240), (20, 12748992), (23, 11086080), (24, 10624160), (30, 8499328), (32, 7968120), (40, 6374496), (46, 5543040), (48, 5312080), (60, 4249664), (64, 3984060), (69, 3695360), (80, 3187248), (92, 2771520), (96, 2656040), (115, 2217216), (120, 2124832), (128, 1992030), (138, 1847680), (160, 1593624), (184, 1385760), (192, 1328020), (230, 1108608), (240, 1062416), (256, 996015), (276, 923840), (320, 796812), (345, 739072), (368, 692880), (384, 664010), (460, 554304), (480, 531208), (552, 461920), (640, 398406), (690, 369536), (736, 346440), (768, 332005), (920, 277152), (960, 265604), (1104, 230960), (1280, 199203), (1380, 184768), (1472, 173220), (1840, 138576), (1920, 132802), (2208, 115480), (2760, 92384), (2887, 88320), (2944, 86610), (3680, 69288), (3840, 66401), (4416, 57740), (5520, 46192), (5774, 44160), (5888, 43305), (7360, 34644), (8661, 29440), (8832, 28870), (11040, 23096), (11548, 22080), (14435, 17664), (14720, 17322)]