257667840

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{22367}}^1$

素因数の和:22394

約数の個数: 108

約数和(自身を含む): 891543744

約数和(自身を除く): 633875904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 22367, 44734, 67101, 89468, 111835, 134202, 178936, 201303, 223670, 268404, 335505, 357872, 402606, 447340, 536808, 671010, 715744, 805212, 894680, 1006515, 1073616, 1342020, 1431488, 1610424, 1789360, 2013030, 2147232, 2684040, 2862976, 3220848, 3578720, 4026060, 4294464, 5368080, 5725952, 6441696, 7157440, 8052120, 8588928, 10736160, 12883392, 14314880, 16104240, 17177856, 21472320, 25766784, 28629760, 32208480, 42944640, 51533568, 64416960, 85889280, 128833920, 257667840]

約数ペア:

[(1, 257667840), (2, 128833920), (3, 85889280), (4, 64416960), (5, 51533568), (6, 42944640), (8, 32208480), (9, 28629760), (10, 25766784), (12, 21472320), (15, 17177856), (16, 16104240), (18, 14314880), (20, 12883392), (24, 10736160), (30, 8588928), (32, 8052120), (36, 7157440), (40, 6441696), (45, 5725952), (48, 5368080), (60, 4294464), (64, 4026060), (72, 3578720), (80, 3220848), (90, 2862976), (96, 2684040), (120, 2147232), (128, 2013030), (144, 1789360), (160, 1610424), (180, 1431488), (192, 1342020), (240, 1073616), (256, 1006515), (288, 894680), (320, 805212), (360, 715744), (384, 671010), (480, 536808), (576, 447340), (640, 402606), (720, 357872), (768, 335505), (960, 268404), (1152, 223670), (1280, 201303), (1440, 178936), (1920, 134202), (2304, 111835), (2880, 89468), (3840, 67101), (5760, 44734), (11520, 22367)]