648990720

素因数分解:

$2^{12}\times 3^2\times 5^1\times 7^1\times {\mathrm{503}}^1$

素因数の和:545

約数の個数: 312

約数和(自身を含む): 2576036736

約数和(自身を除く): 1927046016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 503, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1006, 1008, 1024, 1120, 1152, 1260, 1280, 1344, 1440, 1509, 1536, 1680, 1792, 1920, 2012, 2016, 2048, 2240, 2304, 2515, 2520, 2560, 2688, 2880, 3018, 3072, 3360, 3521, 3584, 3840, 4024, 4032, 4096, 4480, 4527, 4608, 5030, 5040, 5120, 5376, 5760, 6036, 6144, 6720, 7042, 7168, 7545, 7680, 8048, 8064, 8960, 9054, 9216, 10060, 10080, 10240, 10563, 10752, 11520, 12072, 12288, 13440, 14084, 14336, 15090, 15360, 16096, 16128, 17605, 17920, 18108, 18432, 20120, 20160, 20480, 21126, 21504, 22635, 23040, 24144, 26880, 28168, 28672, 30180, 30720, 31689, 32192, 32256, 35210, 35840, 36216, 36864, 40240, 40320, 42252, 43008, 45270, 46080, 48288, 52815, 53760, 56336, 60360, 61440, 63378, 64384, 64512, 70420, 71680, 72432, 80480, 80640, 84504, 86016, 90540, 92160, 96576, 105630, 107520, 112672, 120720, 126756, 128768, 129024, 140840, 143360, 144864, 158445, 160960, 161280, 169008, 181080, 184320, 193152, 211260, 215040, 225344, 241440, 253512, 257536, 258048, 281680, 289728, 316890, 321920, 322560, 338016, 362160, 386304, 422520, 430080, 450688, 482880, 507024, 515072, 563360, 579456, 633780, 643840, 645120, 676032, 724320, 772608, 845040, 901376, 965760, 1014048, 1030144, 1126720, 1158912, 1267560, 1287680, 1290240, 1352064, 1448640, 1545216, 1690080, 1802752, 1931520, 2028096, 2060288, 2253440, 2317824, 2535120, 2575360, 2704128, 2897280, 3090432, 3380160, 3605504, 3863040, 4056192, 4506880, 4635648, 5070240, 5150720, 5408256, 5794560, 6180864, 6760320, 7211008, 7726080, 8112384, 9013760, 9271296, 10140480, 10301440, 10816512, 11589120, 13520640, 14422016, 15452160, 16224768, 18027520, 18542592, 20280960, 21633024, 23178240, 27041280, 30904320, 32449536, 36055040, 40561920, 43266048, 46356480, 54082560, 64899072, 72110080, 81123840, 92712960, 108165120, 129798144, 162247680, 216330240, 324495360, 648990720]

約数ペア:

[(1, 648990720), (2, 324495360), (3, 216330240), (4, 162247680), (5, 129798144), (6, 108165120), (7, 92712960), (8, 81123840), (9, 72110080), (10, 64899072), (12, 54082560), (14, 46356480), (15, 43266048), (16, 40561920), (18, 36055040), (20, 32449536), (21, 30904320), (24, 27041280), (28, 23178240), (30, 21633024), (32, 20280960), (35, 18542592), (36, 18027520), (40, 16224768), (42, 15452160), (45, 14422016), (48, 13520640), (56, 11589120), (60, 10816512), (63, 10301440), (64, 10140480), (70, 9271296), (72, 9013760), (80, 8112384), (84, 7726080), (90, 7211008), (96, 6760320), (105, 6180864), (112, 5794560), (120, 5408256), (126, 5150720), (128, 5070240), (140, 4635648), (144, 4506880), (160, 4056192), (168, 3863040), (180, 3605504), (192, 3380160), (210, 3090432), (224, 2897280), (240, 2704128), (252, 2575360), (256, 2535120), (280, 2317824), (288, 2253440), (315, 2060288), (320, 2028096), (336, 1931520), (360, 1802752), (384, 1690080), (420, 1545216), (448, 1448640), (480, 1352064), (503, 1290240), (504, 1287680), (512, 1267560), (560, 1158912), (576, 1126720), (630, 1030144), (640, 1014048), (672, 965760), (720, 901376), (768, 845040), (840, 772608), (896, 724320), (960, 676032), (1006, 645120), (1008, 643840), (1024, 633780), (1120, 579456), (1152, 563360), (1260, 515072), (1280, 507024), (1344, 482880), (1440, 450688), (1509, 430080), (1536, 422520), (1680, 386304), (1792, 362160), (1920, 338016), (2012, 322560), (2016, 321920), (2048, 316890), (2240, 289728), (2304, 281680), (2515, 258048), (2520, 257536), (2560, 253512), (2688, 241440), (2880, 225344), (3018, 215040), (3072, 211260), (3360, 193152), (3521, 184320), (3584, 181080), (3840, 169008), (4024, 161280), (4032, 160960), (4096, 158445), (4480, 144864), (4527, 143360), (4608, 140840), (5030, 129024), (5040, 128768), (5120, 126756), (5376, 120720), (5760, 112672), (6036, 107520), (6144, 105630), (6720, 96576), (7042, 92160), (7168, 90540), (7545, 86016), (7680, 84504), (8048, 80640), (8064, 80480), (8960, 72432), (9054, 71680), (9216, 70420), (10060, 64512), (10080, 64384), (10240, 63378), (10563, 61440), (10752, 60360), (11520, 56336), (12072, 53760), (12288, 52815), (13440, 48288), (14084, 46080), (14336, 45270), (15090, 43008), (15360, 42252), (16096, 40320), (16128, 40240), (17605, 36864), (17920, 36216), (18108, 35840), (18432, 35210), (20120, 32256), (20160, 32192), (20480, 31689), (21126, 30720), (21504, 30180), (22635, 28672), (23040, 28168), (24144, 26880)]