20702904320

素因数分解:

$2^{14}\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:576

約数の個数: 240

約数和(自身を含む): 57627978240

約数和(自身を除く): 36925073920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 256, 280, 316, 320, 395, 448, 457, 512, 553, 560, 632, 640, 790, 896, 914, 1024, 1106, 1120, 1264, 1280, 1580, 1792, 1828, 2048, 2212, 2240, 2285, 2528, 2560, 2765, 3160, 3199, 3584, 3656, 4096, 4424, 4480, 4570, 5056, 5120, 5530, 6320, 6398, 7168, 7312, 8192, 8848, 8960, 9140, 10112, 10240, 11060, 12640, 12796, 14336, 14624, 15995, 16384, 17696, 17920, 18280, 20224, 20480, 22120, 25280, 25592, 28672, 29248, 31990, 35392, 35840, 36103, 36560, 40448, 40960, 44240, 50560, 51184, 57344, 58496, 63980, 70784, 71680, 72206, 73120, 80896, 81920, 88480, 101120, 102368, 114688, 116992, 127960, 141568, 143360, 144412, 146240, 161792, 176960, 180515, 202240, 204736, 233984, 252721, 255920, 283136, 286720, 288824, 292480, 323584, 353920, 361030, 404480, 409472, 467968, 505442, 511840, 566272, 573440, 577648, 584960, 647168, 707840, 722060, 808960, 818944, 935936, 1010884, 1023680, 1132544, 1155296, 1169920, 1263605, 1294336, 1415680, 1444120, 1617920, 1637888, 1871872, 2021768, 2047360, 2265088, 2310592, 2339840, 2527210, 2831360, 2888240, 3235840, 3275776, 3743744, 4043536, 4094720, 4530176, 4621184, 4679680, 5054420, 5662720, 5776480, 6471680, 6551552, 7487488, 8087072, 8189440, 9060352, 9242368, 9359360, 10108840, 11325440, 11552960, 13103104, 16174144, 16378880, 18484736, 18718720, 20217680, 22650880, 23105920, 26206208, 32348288, 32757760, 36969472, 37437440, 40435360, 45301760, 46211840, 52412416, 64696576, 65515520, 73938944, 80870720, 92423680, 129393152, 131031040, 147877888, 161741440, 184847360, 258786304, 262062080, 295755776, 323482880, 369694720, 517572608, 591511552, 646965760, 739389440, 1035145216, 1293931520, 1478778880, 2070290432, 2587863040, 2957557760, 4140580864, 5175726080, 10351452160, 20702904320]

約数ペア:

[(1, 20702904320), (2, 10351452160), (4, 5175726080), (5, 4140580864), (7, 2957557760), (8, 2587863040), (10, 2070290432), (14, 1478778880), (16, 1293931520), (20, 1035145216), (28, 739389440), (32, 646965760), (35, 591511552), (40, 517572608), (56, 369694720), (64, 323482880), (70, 295755776), (79, 262062080), (80, 258786304), (112, 184847360), (128, 161741440), (140, 147877888), (158, 131031040), (160, 129393152), (224, 92423680), (256, 80870720), (280, 73938944), (316, 65515520), (320, 64696576), (395, 52412416), (448, 46211840), (457, 45301760), (512, 40435360), (553, 37437440), (560, 36969472), (632, 32757760), (640, 32348288), (790, 26206208), (896, 23105920), (914, 22650880), (1024, 20217680), (1106, 18718720), (1120, 18484736), (1264, 16378880), (1280, 16174144), (1580, 13103104), (1792, 11552960), (1828, 11325440), (2048, 10108840), (2212, 9359360), (2240, 9242368), (2285, 9060352), (2528, 8189440), (2560, 8087072), (2765, 7487488), (3160, 6551552), (3199, 6471680), (3584, 5776480), (3656, 5662720), (4096, 5054420), (4424, 4679680), (4480, 4621184), (4570, 4530176), (5056, 4094720), (5120, 4043536), (5530, 3743744), (6320, 3275776), (6398, 3235840), (7168, 2888240), (7312, 2831360), (8192, 2527210), (8848, 2339840), (8960, 2310592), (9140, 2265088), (10112, 2047360), (10240, 2021768), (11060, 1871872), (12640, 1637888), (12796, 1617920), (14336, 1444120), (14624, 1415680), (15995, 1294336), (16384, 1263605), (17696, 1169920), (17920, 1155296), (18280, 1132544), (20224, 1023680), (20480, 1010884), (22120, 935936), (25280, 818944), (25592, 808960), (28672, 722060), (29248, 707840), (31990, 647168), (35392, 584960), (35840, 577648), (36103, 573440), (36560, 566272), (40448, 511840), (40960, 505442), (44240, 467968), (50560, 409472), (51184, 404480), (57344, 361030), (58496, 353920), (63980, 323584), (70784, 292480), (71680, 288824), (72206, 286720), (73120, 283136), (80896, 255920), (81920, 252721), (88480, 233984), (101120, 204736), (102368, 202240), (114688, 180515), (116992, 176960), (127960, 161792), (141568, 146240), (143360, 144412)]