2578721729920

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1348027}}^1$

素因数の和:1348121

約数の個数: 192

約数和(自身を含む): 7288814356560

約数和(自身を除く): 4710092626640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 64, 70, 80, 98, 112, 122, 128, 140, 160, 196, 224, 244, 245, 280, 305, 320, 392, 427, 448, 488, 490, 560, 610, 640, 784, 854, 896, 976, 980, 1120, 1220, 1568, 1708, 1952, 1960, 2135, 2240, 2440, 2989, 3136, 3416, 3904, 3920, 4270, 4480, 4880, 5978, 6272, 6832, 7808, 7840, 8540, 9760, 11956, 13664, 14945, 15680, 17080, 19520, 23912, 27328, 29890, 31360, 34160, 39040, 47824, 54656, 59780, 68320, 95648, 119560, 136640, 191296, 239120, 273280, 382592, 478240, 956480, 1348027, 1912960, 2696054, 5392108, 6740135, 9436189, 10784216, 13480270, 18872378, 21568432, 26960540, 37744756, 43136864, 47180945, 53921080, 66053323, 75489512, 82229647, 86273728, 94361890, 107842160, 132106646, 150979024, 164459294, 172547456, 188723780, 215684320, 264213292, 301958048, 328918588, 330266615, 377447560, 411148235, 431368640, 528426584, 575607529, 603916096, 657837176, 660533230, 754895120, 822296470, 862737280, 1056853168, 1151215058, 1207832192, 1315674352, 1321066460, 1509790240, 1644592940, 2113706336, 2302430116, 2631348704, 2642132920, 2878037645, 3019580480, 3289185880, 4029252703, 4227412672, 4604860232, 5262697408, 5284265840, 5756075290, 6039160960, 6578371760, 8058505406, 8454825344, 9209720464, 10525394816, 10568531680, 11512150580, 13156743520, 16117010812, 18419440928, 20146263515, 21137063360, 23024301160, 26313487040, 32234021624, 36838881856, 40292527030, 42274126720, 46048602320, 52626974080, 64468043248, 73677763712, 80585054060, 92097204640, 128936086496, 161170108120, 184194409280, 257872172992, 322340216240, 368388818560, 515744345984, 644680432480, 1289360864960, 2578721729920]

約数ペア:

[(1, 2578721729920), (2, 1289360864960), (4, 644680432480), (5, 515744345984), (7, 368388818560), (8, 322340216240), (10, 257872172992), (14, 184194409280), (16, 161170108120), (20, 128936086496), (28, 92097204640), (32, 80585054060), (35, 73677763712), (40, 64468043248), (49, 52626974080), (56, 46048602320), (61, 42274126720), (64, 40292527030), (70, 36838881856), (80, 32234021624), (98, 26313487040), (112, 23024301160), (122, 21137063360), (128, 20146263515), (140, 18419440928), (160, 16117010812), (196, 13156743520), (224, 11512150580), (244, 10568531680), (245, 10525394816), (280, 9209720464), (305, 8454825344), (320, 8058505406), (392, 6578371760), (427, 6039160960), (448, 5756075290), (488, 5284265840), (490, 5262697408), (560, 4604860232), (610, 4227412672), (640, 4029252703), (784, 3289185880), (854, 3019580480), (896, 2878037645), (976, 2642132920), (980, 2631348704), (1120, 2302430116), (1220, 2113706336), (1568, 1644592940), (1708, 1509790240), (1952, 1321066460), (1960, 1315674352), (2135, 1207832192), (2240, 1151215058), (2440, 1056853168), (2989, 862737280), (3136, 822296470), (3416, 754895120), (3904, 660533230), (3920, 657837176), (4270, 603916096), (4480, 575607529), (4880, 528426584), (5978, 431368640), (6272, 411148235), (6832, 377447560), (7808, 330266615), (7840, 328918588), (8540, 301958048), (9760, 264213292), (11956, 215684320), (13664, 188723780), (14945, 172547456), (15680, 164459294), (17080, 150979024), (19520, 132106646), (23912, 107842160), (27328, 94361890), (29890, 86273728), (31360, 82229647), (34160, 75489512), (39040, 66053323), (47824, 53921080), (54656, 47180945), (59780, 43136864), (68320, 37744756), (95648, 26960540), (119560, 21568432), (136640, 18872378), (191296, 13480270), (239120, 10784216), (273280, 9436189), (382592, 6740135), (478240, 5392108), (956480, 2696054), (1348027, 1912960)]