1668771840

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:362

約数の個数: 208

約数和(自身を含む): 5404487328

約数和(自身を除く): 3735715488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 157, 160, 173, 192, 240, 256, 314, 320, 346, 384, 471, 480, 512, 519, 628, 640, 692, 768, 785, 865, 942, 960, 1024, 1038, 1256, 1280, 1384, 1536, 1570, 1730, 1884, 1920, 2048, 2076, 2355, 2512, 2560, 2595, 2768, 3072, 3140, 3460, 3768, 3840, 4096, 4152, 4710, 5024, 5120, 5190, 5536, 6144, 6280, 6920, 7536, 7680, 8304, 9420, 10048, 10240, 10380, 11072, 12288, 12560, 13840, 15072, 15360, 16608, 18840, 20096, 20480, 20760, 22144, 25120, 27161, 27680, 30144, 30720, 33216, 37680, 40192, 41520, 44288, 50240, 54322, 55360, 60288, 61440, 66432, 75360, 80384, 81483, 83040, 88576, 100480, 108644, 110720, 120576, 132864, 135805, 150720, 160768, 162966, 166080, 177152, 200960, 217288, 221440, 241152, 265728, 271610, 301440, 321536, 325932, 332160, 354304, 401920, 407415, 434576, 442880, 482304, 531456, 543220, 602880, 643072, 651864, 664320, 708608, 803840, 814830, 869152, 885760, 964608, 1062912, 1086440, 1205760, 1303728, 1328640, 1607680, 1629660, 1738304, 1771520, 1929216, 2125824, 2172880, 2411520, 2607456, 2657280, 3215360, 3259320, 3476608, 3543040, 4345760, 4823040, 5214912, 5314560, 6518640, 6953216, 8691520, 9646080, 10429824, 10629120, 13037280, 13906432, 17383040, 20859648, 26074560, 27812864, 34766080, 41719296, 52149120, 55625728, 69532160, 83438592, 104298240, 111251456, 139064320, 166877184, 208596480, 278128640, 333754368, 417192960, 556257280, 834385920, 1668771840]

約数ペア:

[(1, 1668771840), (2, 834385920), (3, 556257280), (4, 417192960), (5, 333754368), (6, 278128640), (8, 208596480), (10, 166877184), (12, 139064320), (15, 111251456), (16, 104298240), (20, 83438592), (24, 69532160), (30, 55625728), (32, 52149120), (40, 41719296), (48, 34766080), (60, 27812864), (64, 26074560), (80, 20859648), (96, 17383040), (120, 13906432), (128, 13037280), (157, 10629120), (160, 10429824), (173, 9646080), (192, 8691520), (240, 6953216), (256, 6518640), (314, 5314560), (320, 5214912), (346, 4823040), (384, 4345760), (471, 3543040), (480, 3476608), (512, 3259320), (519, 3215360), (628, 2657280), (640, 2607456), (692, 2411520), (768, 2172880), (785, 2125824), (865, 1929216), (942, 1771520), (960, 1738304), (1024, 1629660), (1038, 1607680), (1256, 1328640), (1280, 1303728), (1384, 1205760), (1536, 1086440), (1570, 1062912), (1730, 964608), (1884, 885760), (1920, 869152), (2048, 814830), (2076, 803840), (2355, 708608), (2512, 664320), (2560, 651864), (2595, 643072), (2768, 602880), (3072, 543220), (3140, 531456), (3460, 482304), (3768, 442880), (3840, 434576), (4096, 407415), (4152, 401920), (4710, 354304), (5024, 332160), (5120, 325932), (5190, 321536), (5536, 301440), (6144, 271610), (6280, 265728), (6920, 241152), (7536, 221440), (7680, 217288), (8304, 200960), (9420, 177152), (10048, 166080), (10240, 162966), (10380, 160768), (11072, 150720), (12288, 135805), (12560, 132864), (13840, 120576), (15072, 110720), (15360, 108644), (16608, 100480), (18840, 88576), (20096, 83040), (20480, 81483), (20760, 80384), (22144, 75360), (25120, 66432), (27161, 61440), (27680, 60288), (30144, 55360), (30720, 54322), (33216, 50240), (37680, 44288), (40192, 41520)]