1989550080

素因数分解:

$2^{13}\times 3^3\times 5^1\times 7^1\times {\mathrm{257}}^1$

素因数の和:304

約数の個数: 448

約数和(自身を含む): 8115482880

約数和(自身を除く): 6125932800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 257, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 512, 514, 540, 560, 576, 630, 640, 672, 720, 756, 768, 771, 840, 864, 896, 945, 960, 1008, 1024, 1028, 1080, 1120, 1152, 1260, 1280, 1285, 1344, 1440, 1512, 1536, 1542, 1680, 1728, 1792, 1799, 1890, 1920, 2016, 2048, 2056, 2160, 2240, 2304, 2313, 2520, 2560, 2570, 2688, 2880, 3024, 3072, 3084, 3360, 3456, 3584, 3598, 3780, 3840, 3855, 4032, 4096, 4112, 4320, 4480, 4608, 4626, 5040, 5120, 5140, 5376, 5397, 5760, 6048, 6144, 6168, 6720, 6912, 6939, 7168, 7196, 7560, 7680, 7710, 8064, 8192, 8224, 8640, 8960, 8995, 9216, 9252, 10080, 10240, 10280, 10752, 10794, 11520, 11565, 12096, 12288, 12336, 13440, 13824, 13878, 14336, 14392, 15120, 15360, 15420, 16128, 16191, 16448, 17280, 17920, 17990, 18432, 18504, 20160, 20480, 20560, 21504, 21588, 23040, 23130, 24192, 24576, 24672, 26880, 26985, 27648, 27756, 28672, 28784, 30240, 30720, 30840, 32256, 32382, 32896, 34560, 34695, 35840, 35980, 36864, 37008, 40320, 40960, 41120, 43008, 43176, 46080, 46260, 48384, 48573, 49344, 53760, 53970, 55296, 55512, 57344, 57568, 60480, 61440, 61680, 64512, 64764, 65792, 69120, 69390, 71680, 71960, 73728, 74016, 80640, 80955, 82240, 86016, 86352, 92160, 92520, 96768, 97146, 98688, 107520, 107940, 110592, 111024, 115136, 120960, 122880, 123360, 129024, 129528, 131584, 138240, 138780, 143360, 143920, 148032, 161280, 161910, 164480, 172032, 172704, 184320, 185040, 193536, 194292, 197376, 215040, 215880, 221184, 222048, 230272, 241920, 242865, 246720, 258048, 259056, 263168, 276480, 277560, 286720, 287840, 296064, 322560, 323820, 328960, 345408, 368640, 370080, 387072, 388584, 394752, 430080, 431760, 444096, 460544, 483840, 485730, 493440, 516096, 518112, 526336, 552960, 555120, 575680, 592128, 645120, 647640, 657920, 690816, 740160, 774144, 777168, 789504, 860160, 863520, 888192, 921088, 967680, 971460, 986880, 1036224, 1052672, 1105920, 1110240, 1151360, 1184256, 1290240, 1295280, 1315840, 1381632, 1480320, 1548288, 1554336, 1579008, 1727040, 1776384, 1842176, 1935360, 1942920, 1973760, 2072448, 2105344, 2220480, 2302720, 2368512, 2580480, 2590560, 2631680, 2763264, 2960640, 3108672, 3158016, 3454080, 3552768, 3684352, 3870720, 3885840, 3947520, 4144896, 4440960, 4605440, 4737024, 5181120, 5263360, 5526528, 5921280, 6217344, 6316032, 6908160, 7105536, 7368704, 7741440, 7771680, 7895040, 8289792, 8881920, 9210880, 9474048, 10362240, 10526720, 11053056, 11842560, 12434688, 13816320, 14211072, 14737408, 15543360, 15790080, 16579584, 17763840, 18421760, 18948096, 20724480, 22106112, 23685120, 24869376, 27632640, 28422144, 31086720, 31580160, 33159168, 35527680, 36843520, 41448960, 44212224, 47370240, 49738752, 55265280, 56844288, 62173440, 66318336, 71055360, 73687040, 82897920, 94740480, 99477504, 110530560, 124346880, 132636672, 142110720, 165795840, 198955008, 221061120, 248693760, 284221440, 331591680, 397910016, 497387520, 663183360, 994775040, 1989550080]

約数ペア:

[(1, 1989550080), (2, 994775040), (3, 663183360), (4, 497387520), (5, 397910016), (6, 331591680), (7, 284221440), (8, 248693760), (9, 221061120), (10, 198955008), (12, 165795840), (14, 142110720), (15, 132636672), (16, 124346880), (18, 110530560), (20, 99477504), (21, 94740480), (24, 82897920), (27, 73687040), (28, 71055360), (30, 66318336), (32, 62173440), (35, 56844288), (36, 55265280), (40, 49738752), (42, 47370240), (45, 44212224), (48, 41448960), (54, 36843520), (56, 35527680), (60, 33159168), (63, 31580160), (64, 31086720), (70, 28422144), (72, 27632640), (80, 24869376), (84, 23685120), (90, 22106112), (96, 20724480), (105, 18948096), (108, 18421760), (112, 17763840), (120, 16579584), (126, 15790080), (128, 15543360), (135, 14737408), (140, 14211072), (144, 13816320), (160, 12434688), (168, 11842560), (180, 11053056), (189, 10526720), (192, 10362240), (210, 9474048), (216, 9210880), (224, 8881920), (240, 8289792), (252, 7895040), (256, 7771680), (257, 7741440), (270, 7368704), (280, 7105536), (288, 6908160), (315, 6316032), (320, 6217344), (336, 5921280), (360, 5526528), (378, 5263360), (384, 5181120), (420, 4737024), (432, 4605440), (448, 4440960), (480, 4144896), (504, 3947520), (512, 3885840), (514, 3870720), (540, 3684352), (560, 3552768), (576, 3454080), (630, 3158016), (640, 3108672), (672, 2960640), (720, 2763264), (756, 2631680), (768, 2590560), (771, 2580480), (840, 2368512), (864, 2302720), (896, 2220480), (945, 2105344), (960, 2072448), (1008, 1973760), (1024, 1942920), (1028, 1935360), (1080, 1842176), (1120, 1776384), (1152, 1727040), (1260, 1579008), (1280, 1554336), (1285, 1548288), (1344, 1480320), (1440, 1381632), (1512, 1315840), (1536, 1295280), (1542, 1290240), (1680, 1184256), (1728, 1151360), (1792, 1110240), (1799, 1105920), (1890, 1052672), (1920, 1036224), (2016, 986880), (2048, 971460), (2056, 967680), (2160, 921088), (2240, 888192), (2304, 863520), (2313, 860160), (2520, 789504), (2560, 777168), (2570, 774144), (2688, 740160), (2880, 690816), (3024, 657920), (3072, 647640), (3084, 645120), (3360, 592128), (3456, 575680), (3584, 555120), (3598, 552960), (3780, 526336), (3840, 518112), (3855, 516096), (4032, 493440), (4096, 485730), (4112, 483840), (4320, 460544), (4480, 444096), (4608, 431760), (4626, 430080), (5040, 394752), (5120, 388584), (5140, 387072), (5376, 370080), (5397, 368640), (5760, 345408), (6048, 328960), (6144, 323820), (6168, 322560), (6720, 296064), (6912, 287840), (6939, 286720), (7168, 277560), (7196, 276480), (7560, 263168), (7680, 259056), (7710, 258048), (8064, 246720), (8192, 242865), (8224, 241920), (8640, 230272), (8960, 222048), (8995, 221184), (9216, 215880), (9252, 215040), (10080, 197376), (10240, 194292), (10280, 193536), (10752, 185040), (10794, 184320), (11520, 172704), (11565, 172032), (12096, 164480), (12288, 161910), (12336, 161280), (13440, 148032), (13824, 143920), (13878, 143360), (14336, 138780), (14392, 138240), (15120, 131584), (15360, 129528), (15420, 129024), (16128, 123360), (16191, 122880), (16448, 120960), (17280, 115136), (17920, 111024), (17990, 110592), (18432, 107940), (18504, 107520), (20160, 98688), (20480, 97146), (20560, 96768), (21504, 92520), (21588, 92160), (23040, 86352), (23130, 86016), (24192, 82240), (24576, 80955), (24672, 80640), (26880, 74016), (26985, 73728), (27648, 71960), (27756, 71680), (28672, 69390), (28784, 69120), (30240, 65792), (30720, 64764), (30840, 64512), (32256, 61680), (32382, 61440), (32896, 60480), (34560, 57568), (34695, 57344), (35840, 55512), (35980, 55296), (36864, 53970), (37008, 53760), (40320, 49344), (40960, 48573), (41120, 48384), (43008, 46260), (43176, 46080)]