20181073920

素因数分解:

$2^{14}\times 3^1\times 5^1\times 7^1\times {\mathrm{11731}}^1$

素因数の和:11774

約数の個数: 240

約数和(自身を含む): 73809109248

約数和(自身を除く): 53628035328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1024, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2048, 2240, 2560, 2688, 3072, 3360, 3584, 3840, 4096, 4480, 5120, 5376, 6144, 6720, 7168, 7680, 8192, 8960, 10240, 10752, 11731, 12288, 13440, 14336, 15360, 16384, 17920, 20480, 21504, 23462, 24576, 26880, 28672, 30720, 35193, 35840, 40960, 43008, 46924, 49152, 53760, 57344, 58655, 61440, 70386, 71680, 81920, 82117, 86016, 93848, 107520, 114688, 117310, 122880, 140772, 143360, 164234, 172032, 175965, 187696, 215040, 234620, 245760, 246351, 281544, 286720, 328468, 344064, 351930, 375392, 410585, 430080, 469240, 492702, 563088, 573440, 656936, 703860, 750784, 821170, 860160, 938480, 985404, 1126176, 1231755, 1313872, 1407720, 1501568, 1642340, 1720320, 1876960, 1970808, 2252352, 2463510, 2627744, 2815440, 3003136, 3284680, 3753920, 3941616, 4504704, 4927020, 5255488, 5630880, 6006272, 6569360, 7507840, 7883232, 9009408, 9854040, 10510976, 11261760, 12012544, 13138720, 15015680, 15766464, 18018816, 19708080, 21021952, 22523520, 24025088, 26277440, 30031360, 31532928, 36037632, 39416160, 42043904, 45047040, 48050176, 52554880, 60062720, 63065856, 72075264, 78832320, 84087808, 90094080, 96100352, 105109760, 120125440, 126131712, 144150528, 157664640, 168175616, 180188160, 192200704, 210219520, 240250880, 252263424, 288301056, 315329280, 336351232, 360376320, 420439040, 480501760, 504526848, 576602112, 630658560, 672702464, 720752640, 840878080, 961003520, 1009053696, 1261317120, 1345404928, 1441505280, 1681756160, 2018107392, 2522634240, 2883010560, 3363512320, 4036214784, 5045268480, 6727024640, 10090536960, 20181073920]

約数ペア:

[(1, 20181073920), (2, 10090536960), (3, 6727024640), (4, 5045268480), (5, 4036214784), (6, 3363512320), (7, 2883010560), (8, 2522634240), (10, 2018107392), (12, 1681756160), (14, 1441505280), (15, 1345404928), (16, 1261317120), (20, 1009053696), (21, 961003520), (24, 840878080), (28, 720752640), (30, 672702464), (32, 630658560), (35, 576602112), (40, 504526848), (42, 480501760), (48, 420439040), (56, 360376320), (60, 336351232), (64, 315329280), (70, 288301056), (80, 252263424), (84, 240250880), (96, 210219520), (105, 192200704), (112, 180188160), (120, 168175616), (128, 157664640), (140, 144150528), (160, 126131712), (168, 120125440), (192, 105109760), (210, 96100352), (224, 90094080), (240, 84087808), (256, 78832320), (280, 72075264), (320, 63065856), (336, 60062720), (384, 52554880), (420, 48050176), (448, 45047040), (480, 42043904), (512, 39416160), (560, 36037632), (640, 31532928), (672, 30031360), (768, 26277440), (840, 24025088), (896, 22523520), (960, 21021952), (1024, 19708080), (1120, 18018816), (1280, 15766464), (1344, 15015680), (1536, 13138720), (1680, 12012544), (1792, 11261760), (1920, 10510976), (2048, 9854040), (2240, 9009408), (2560, 7883232), (2688, 7507840), (3072, 6569360), (3360, 6006272), (3584, 5630880), (3840, 5255488), (4096, 4927020), (4480, 4504704), (5120, 3941616), (5376, 3753920), (6144, 3284680), (6720, 3003136), (7168, 2815440), (7680, 2627744), (8192, 2463510), (8960, 2252352), (10240, 1970808), (10752, 1876960), (11731, 1720320), (12288, 1642340), (13440, 1501568), (14336, 1407720), (15360, 1313872), (16384, 1231755), (17920, 1126176), (20480, 985404), (21504, 938480), (23462, 860160), (24576, 821170), (26880, 750784), (28672, 703860), (30720, 656936), (35193, 573440), (35840, 563088), (40960, 492702), (43008, 469240), (46924, 430080), (49152, 410585), (53760, 375392), (57344, 351930), (58655, 344064), (61440, 328468), (70386, 286720), (71680, 281544), (81920, 246351), (82117, 245760), (86016, 234620), (93848, 215040), (107520, 187696), (114688, 175965), (117310, 172032), (122880, 164234), (140772, 143360)]