1990941120

素因数分解:

$2^6\times 3^4\times 5^1\times 7^1\times {\mathrm{10973}}^1$

素因数の和:11009

約数の個数: 280

約数和(自身を含む): 8094597984

約数和(自身を除く): 6103656864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 324, 336, 360, 378, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 648, 672, 720, 756, 810, 840, 864, 945, 960, 1008, 1080, 1120, 1134, 1260, 1296, 1344, 1440, 1512, 1620, 1680, 1728, 1890, 2016, 2160, 2240, 2268, 2520, 2592, 2835, 2880, 3024, 3240, 3360, 3780, 4032, 4320, 4536, 5040, 5184, 5670, 6048, 6480, 6720, 7560, 8640, 9072, 10080, 10973, 11340, 12096, 12960, 15120, 18144, 20160, 21946, 22680, 25920, 30240, 32919, 36288, 43892, 45360, 54865, 60480, 65838, 76811, 87784, 90720, 98757, 109730, 131676, 153622, 164595, 175568, 181440, 197514, 219460, 230433, 263352, 296271, 307244, 329190, 351136, 384055, 395028, 438920, 460866, 493785, 526704, 592542, 614488, 658380, 691299, 702272, 768110, 790056, 877840, 888813, 921732, 987570, 1053408, 1152165, 1185084, 1228976, 1316760, 1382598, 1481355, 1536220, 1580112, 1755680, 1777626, 1843464, 1975140, 2073897, 2106816, 2304330, 2370168, 2457952, 2633520, 2765196, 2962710, 3072440, 3160224, 3456495, 3511360, 3555252, 3686928, 3950280, 4147794, 4444065, 4608660, 4740336, 4915904, 5267040, 5530392, 5925420, 6144880, 6221691, 6320448, 6912990, 7110504, 7373856, 7900560, 8295588, 8888130, 9217320, 9480672, 10369485, 10534080, 11060784, 11850840, 12289760, 12443382, 13825980, 14221008, 14747712, 15801120, 16591176, 17776260, 18434640, 18961344, 20738970, 22121568, 23701680, 24579520, 24886764, 27651960, 28442016, 31108455, 31602240, 33182352, 35552520, 36869280, 41477940, 44243136, 47403360, 49773528, 55303920, 56884032, 62216910, 66364704, 71105040, 73738560, 82955880, 94806720, 99547056, 110607840, 124433820, 132729408, 142210080, 165911760, 199094112, 221215680, 248867640, 284420160, 331823520, 398188224, 497735280, 663647040, 995470560, 1990941120]

約数ペア:

[(1, 1990941120), (2, 995470560), (3, 663647040), (4, 497735280), (5, 398188224), (6, 331823520), (7, 284420160), (8, 248867640), (9, 221215680), (10, 199094112), (12, 165911760), (14, 142210080), (15, 132729408), (16, 124433820), (18, 110607840), (20, 99547056), (21, 94806720), (24, 82955880), (27, 73738560), (28, 71105040), (30, 66364704), (32, 62216910), (35, 56884032), (36, 55303920), (40, 49773528), (42, 47403360), (45, 44243136), (48, 41477940), (54, 36869280), (56, 35552520), (60, 33182352), (63, 31602240), (64, 31108455), (70, 28442016), (72, 27651960), (80, 24886764), (81, 24579520), (84, 23701680), (90, 22121568), (96, 20738970), (105, 18961344), (108, 18434640), (112, 17776260), (120, 16591176), (126, 15801120), (135, 14747712), (140, 14221008), (144, 13825980), (160, 12443382), (162, 12289760), (168, 11850840), (180, 11060784), (189, 10534080), (192, 10369485), (210, 9480672), (216, 9217320), (224, 8888130), (240, 8295588), (252, 7900560), (270, 7373856), (280, 7110504), (288, 6912990), (315, 6320448), (320, 6221691), (324, 6144880), (336, 5925420), (360, 5530392), (378, 5267040), (405, 4915904), (420, 4740336), (432, 4608660), (448, 4444065), (480, 4147794), (504, 3950280), (540, 3686928), (560, 3555252), (567, 3511360), (576, 3456495), (630, 3160224), (648, 3072440), (672, 2962710), (720, 2765196), (756, 2633520), (810, 2457952), (840, 2370168), (864, 2304330), (945, 2106816), (960, 2073897), (1008, 1975140), (1080, 1843464), (1120, 1777626), (1134, 1755680), (1260, 1580112), (1296, 1536220), (1344, 1481355), (1440, 1382598), (1512, 1316760), (1620, 1228976), (1680, 1185084), (1728, 1152165), (1890, 1053408), (2016, 987570), (2160, 921732), (2240, 888813), (2268, 877840), (2520, 790056), (2592, 768110), (2835, 702272), (2880, 691299), (3024, 658380), (3240, 614488), (3360, 592542), (3780, 526704), (4032, 493785), (4320, 460866), (4536, 438920), (5040, 395028), (5184, 384055), (5670, 351136), (6048, 329190), (6480, 307244), (6720, 296271), (7560, 263352), (8640, 230433), (9072, 219460), (10080, 197514), (10973, 181440), (11340, 175568), (12096, 164595), (12960, 153622), (15120, 131676), (18144, 109730), (20160, 98757), (21946, 90720), (22680, 87784), (25920, 76811), (30240, 65838), (32919, 60480), (36288, 54865), (43892, 45360)]