643184640

素因数分解:

$2^{11}\times 3^2\times 5^1\times 7^1\times {\mathrm{997}}^1$

素因数の和:1037

約数の個数: 288

約数和(自身を含む): 2550169440

約数和(自身を除く): 1906984800

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, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 997, 1008, 1024, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 1994, 2016, 2048, 2240, 2304, 2520, 2560, 2688, 2880, 2991, 3072, 3360, 3584, 3840, 3988, 4032, 4480, 4608, 4985, 5040, 5120, 5376, 5760, 5982, 6144, 6720, 6979, 7168, 7680, 7976, 8064, 8960, 8973, 9216, 9970, 10080, 10240, 10752, 11520, 11964, 13440, 13958, 14336, 14955, 15360, 15952, 16128, 17920, 17946, 18432, 19940, 20160, 20937, 21504, 23040, 23928, 26880, 27916, 29910, 30720, 31904, 32256, 34895, 35840, 35892, 39880, 40320, 41874, 43008, 44865, 46080, 47856, 53760, 55832, 59820, 62811, 63808, 64512, 69790, 71680, 71784, 79760, 80640, 83748, 89730, 92160, 95712, 104685, 107520, 111664, 119640, 125622, 127616, 129024, 139580, 143568, 159520, 161280, 167496, 179460, 191424, 209370, 215040, 223328, 239280, 251244, 255232, 279160, 287136, 314055, 319040, 322560, 334992, 358920, 382848, 418740, 446656, 478560, 502488, 510464, 558320, 574272, 628110, 638080, 645120, 669984, 717840, 765696, 837480, 893312, 957120, 1004976, 1020928, 1116640, 1148544, 1256220, 1276160, 1339968, 1435680, 1531392, 1674960, 1786624, 1914240, 2009952, 2041856, 2233280, 2297088, 2512440, 2552320, 2679936, 2871360, 3062784, 3349920, 3573248, 3828480, 4019904, 4466560, 4594176, 5024880, 5104640, 5359872, 5742720, 6125568, 6699840, 7146496, 7656960, 8039808, 8933120, 9188352, 10049760, 10209280, 10719744, 11485440, 13399680, 14292992, 15313920, 16079616, 17866240, 18376704, 20099520, 21439488, 22970880, 26799360, 30627840, 32159232, 35732480, 40199040, 42878976, 45941760, 53598720, 64318464, 71464960, 80398080, 91883520, 107197440, 128636928, 160796160, 214394880, 321592320, 643184640]

約数ペア:

[(1, 643184640), (2, 321592320), (3, 214394880), (4, 160796160), (5, 128636928), (6, 107197440), (7, 91883520), (8, 80398080), (9, 71464960), (10, 64318464), (12, 53598720), (14, 45941760), (15, 42878976), (16, 40199040), (18, 35732480), (20, 32159232), (21, 30627840), (24, 26799360), (28, 22970880), (30, 21439488), (32, 20099520), (35, 18376704), (36, 17866240), (40, 16079616), (42, 15313920), (45, 14292992), (48, 13399680), (56, 11485440), (60, 10719744), (63, 10209280), (64, 10049760), (70, 9188352), (72, 8933120), (80, 8039808), (84, 7656960), (90, 7146496), (96, 6699840), (105, 6125568), (112, 5742720), (120, 5359872), (126, 5104640), (128, 5024880), (140, 4594176), (144, 4466560), (160, 4019904), (168, 3828480), (180, 3573248), (192, 3349920), (210, 3062784), (224, 2871360), (240, 2679936), (252, 2552320), (256, 2512440), (280, 2297088), (288, 2233280), (315, 2041856), (320, 2009952), (336, 1914240), (360, 1786624), (384, 1674960), (420, 1531392), (448, 1435680), (480, 1339968), (504, 1276160), (512, 1256220), (560, 1148544), (576, 1116640), (630, 1020928), (640, 1004976), (672, 957120), (720, 893312), (768, 837480), (840, 765696), (896, 717840), (960, 669984), (997, 645120), (1008, 638080), (1024, 628110), (1120, 574272), (1152, 558320), (1260, 510464), (1280, 502488), (1344, 478560), (1440, 446656), (1536, 418740), (1680, 382848), (1792, 358920), (1920, 334992), (1994, 322560), (2016, 319040), (2048, 314055), (2240, 287136), (2304, 279160), (2520, 255232), (2560, 251244), (2688, 239280), (2880, 223328), (2991, 215040), (3072, 209370), (3360, 191424), (3584, 179460), (3840, 167496), (3988, 161280), (4032, 159520), (4480, 143568), (4608, 139580), (4985, 129024), (5040, 127616), (5120, 125622), (5376, 119640), (5760, 111664), (5982, 107520), (6144, 104685), (6720, 95712), (6979, 92160), (7168, 89730), (7680, 83748), (7976, 80640), (8064, 79760), (8960, 71784), (8973, 71680), (9216, 69790), (9970, 64512), (10080, 63808), (10240, 62811), (10752, 59820), (11520, 55832), (11964, 53760), (13440, 47856), (13958, 46080), (14336, 44865), (14955, 43008), (15360, 41874), (15952, 40320), (16128, 39880), (17920, 35892), (17946, 35840), (18432, 34895), (19940, 32256), (20160, 31904), (20937, 30720), (21504, 29910), (23040, 27916), (23928, 26880)]