20512472960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1759}}^1$

素因数の和:1941

約数の個数: 256

約数和(自身を含む): 59457024000

約数和(自身を除く): 38944551040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 137, 140, 152, 160, 190, 224, 266, 274, 280, 304, 320, 380, 448, 532, 548, 560, 608, 640, 665, 685, 760, 896, 959, 1064, 1096, 1120, 1216, 1330, 1370, 1520, 1759, 1918, 2128, 2192, 2240, 2432, 2603, 2660, 2740, 3040, 3518, 3836, 4256, 4384, 4480, 4795, 5206, 5320, 5480, 6080, 7036, 7672, 8512, 8768, 8795, 9590, 10412, 10640, 10960, 12160, 12313, 13015, 14072, 15344, 17024, 17536, 17590, 18221, 19180, 20824, 21280, 21920, 24626, 26030, 28144, 30688, 33421, 35180, 36442, 38360, 41648, 42560, 43840, 49252, 52060, 56288, 61376, 61565, 66842, 70360, 72884, 76720, 83296, 85120, 87680, 91105, 98504, 104120, 112576, 122752, 123130, 133684, 140720, 145768, 153440, 166592, 167105, 182210, 197008, 208240, 225152, 233947, 240983, 246260, 267368, 281440, 291536, 306880, 333184, 334210, 364420, 394016, 416480, 467894, 481966, 492520, 534736, 562880, 583072, 613760, 668420, 728840, 788032, 832960, 935788, 963932, 985040, 1069472, 1125760, 1166144, 1169735, 1204915, 1336840, 1457680, 1576064, 1665920, 1686881, 1871576, 1927864, 1970080, 2138944, 2332288, 2339470, 2409830, 2673680, 2915360, 3373762, 3743152, 3855728, 3940160, 4277888, 4578677, 4678940, 4819660, 5347360, 5830720, 6747524, 7486304, 7711456, 7880320, 8434405, 9157354, 9357880, 9639320, 10694720, 11661440, 13495048, 14972608, 15422912, 16868810, 18314708, 18715760, 19278640, 21389440, 22893385, 26990096, 29945216, 30845824, 32050739, 33737620, 36629416, 37431520, 38557280, 45786770, 53980192, 64101478, 67475240, 73258832, 74863040, 77114560, 91573540, 107960384, 128202956, 134950480, 146517664, 149726080, 154229120, 160253695, 183147080, 215920768, 256405912, 269900960, 293035328, 320507390, 366294160, 512811824, 539801920, 586070656, 641014780, 732588320, 1025623648, 1079603840, 1282029560, 1465176640, 2051247296, 2564059120, 2930353280, 4102494592, 5128118240, 10256236480, 20512472960]

約数ペア:

[(1, 20512472960), (2, 10256236480), (4, 5128118240), (5, 4102494592), (7, 2930353280), (8, 2564059120), (10, 2051247296), (14, 1465176640), (16, 1282029560), (19, 1079603840), (20, 1025623648), (28, 732588320), (32, 641014780), (35, 586070656), (38, 539801920), (40, 512811824), (56, 366294160), (64, 320507390), (70, 293035328), (76, 269900960), (80, 256405912), (95, 215920768), (112, 183147080), (128, 160253695), (133, 154229120), (137, 149726080), (140, 146517664), (152, 134950480), (160, 128202956), (190, 107960384), (224, 91573540), (266, 77114560), (274, 74863040), (280, 73258832), (304, 67475240), (320, 64101478), (380, 53980192), (448, 45786770), (532, 38557280), (548, 37431520), (560, 36629416), (608, 33737620), (640, 32050739), (665, 30845824), (685, 29945216), (760, 26990096), (896, 22893385), (959, 21389440), (1064, 19278640), (1096, 18715760), (1120, 18314708), (1216, 16868810), (1330, 15422912), (1370, 14972608), (1520, 13495048), (1759, 11661440), (1918, 10694720), (2128, 9639320), (2192, 9357880), (2240, 9157354), (2432, 8434405), (2603, 7880320), (2660, 7711456), (2740, 7486304), (3040, 6747524), (3518, 5830720), (3836, 5347360), (4256, 4819660), (4384, 4678940), (4480, 4578677), (4795, 4277888), (5206, 3940160), (5320, 3855728), (5480, 3743152), (6080, 3373762), (7036, 2915360), (7672, 2673680), (8512, 2409830), (8768, 2339470), (8795, 2332288), (9590, 2138944), (10412, 1970080), (10640, 1927864), (10960, 1871576), (12160, 1686881), (12313, 1665920), (13015, 1576064), (14072, 1457680), (15344, 1336840), (17024, 1204915), (17536, 1169735), (17590, 1166144), (18221, 1125760), (19180, 1069472), (20824, 985040), (21280, 963932), (21920, 935788), (24626, 832960), (26030, 788032), (28144, 728840), (30688, 668420), (33421, 613760), (35180, 583072), (36442, 562880), (38360, 534736), (41648, 492520), (42560, 481966), (43840, 467894), (49252, 416480), (52060, 394016), (56288, 364420), (61376, 334210), (61565, 333184), (66842, 306880), (70360, 291536), (72884, 281440), (76720, 267368), (83296, 246260), (85120, 240983), (87680, 233947), (91105, 225152), (98504, 208240), (104120, 197008), (112576, 182210), (122752, 167105), (123130, 166592), (133684, 153440), (140720, 145768)]