20512759680

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{169583}}^1$

素因数の和:169618

約数の個数: 256

約数和(自身を含む): 83028326400

約数和(自身を除く): 62515566720

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, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 12096, 13440, 15120, 17280, 20160, 24192, 30240, 40320, 60480, 120960, 169583, 339166, 508749, 678332, 847915, 1017498, 1187081, 1356664, 1526247, 1695830, 2034996, 2374162, 2543745, 2713328, 3052494, 3391660, 3561243, 4069992, 4578741, 4748324, 5087490, 5426656, 5935405, 6104988, 6783320, 7122486, 7631235, 8139984, 9157482, 9496648, 10174980, 10683729, 10853312, 11870810, 12209976, 13566640, 14244972, 15262470, 16279968, 17806215, 18314964, 18993296, 20349960, 21367458, 21706624, 22893705, 23741620, 24419952, 27133280, 28489944, 30524940, 32051187, 32559936, 35612430, 36629928, 37986592, 40699920, 42734916, 45787410, 47483240, 48839904, 53418645, 54266560, 56979888, 61049880, 64102374, 65119872, 71224860, 73259856, 75973184, 81399840, 85469832, 91574820, 94966480, 97679808, 106837290, 108533120, 113959776, 122099760, 128204748, 142449720, 146519712, 151946368, 160255935, 162799680, 170939664, 183149640, 189932960, 195359616, 213674580, 227919552, 244199520, 256409496, 284899440, 293039424, 320511870, 325599360, 341879328, 366299280, 379865920, 427349160, 455839104, 488399040, 512818992, 569798880, 586078848, 641023740, 683758656, 732598560, 759731840, 854698320, 976798080, 1025637984, 1139597760, 1282047480, 1367517312, 1465197120, 1709396640, 2051275968, 2279195520, 2564094960, 2930394240, 3418793280, 4102551936, 5128189920, 6837586560, 10256379840, 20512759680]

約数ペア:

[(1, 20512759680), (2, 10256379840), (3, 6837586560), (4, 5128189920), (5, 4102551936), (6, 3418793280), (7, 2930394240), (8, 2564094960), (9, 2279195520), (10, 2051275968), (12, 1709396640), (14, 1465197120), (15, 1367517312), (16, 1282047480), (18, 1139597760), (20, 1025637984), (21, 976798080), (24, 854698320), (27, 759731840), (28, 732598560), (30, 683758656), (32, 641023740), (35, 586078848), (36, 569798880), (40, 512818992), (42, 488399040), (45, 455839104), (48, 427349160), (54, 379865920), (56, 366299280), (60, 341879328), (63, 325599360), (64, 320511870), (70, 293039424), (72, 284899440), (80, 256409496), (84, 244199520), (90, 227919552), (96, 213674580), (105, 195359616), (108, 189932960), (112, 183149640), (120, 170939664), (126, 162799680), (128, 160255935), (135, 151946368), (140, 146519712), (144, 142449720), (160, 128204748), (168, 122099760), (180, 113959776), (189, 108533120), (192, 106837290), (210, 97679808), (216, 94966480), (224, 91574820), (240, 85469832), (252, 81399840), (270, 75973184), (280, 73259856), (288, 71224860), (315, 65119872), (320, 64102374), (336, 61049880), (360, 56979888), (378, 54266560), (384, 53418645), (420, 48839904), (432, 47483240), (448, 45787410), (480, 42734916), (504, 40699920), (540, 37986592), (560, 36629928), (576, 35612430), (630, 32559936), (640, 32051187), (672, 30524940), (720, 28489944), (756, 27133280), (840, 24419952), (864, 23741620), (896, 22893705), (945, 21706624), (960, 21367458), (1008, 20349960), (1080, 18993296), (1120, 18314964), (1152, 17806215), (1260, 16279968), (1344, 15262470), (1440, 14244972), (1512, 13566640), (1680, 12209976), (1728, 11870810), (1890, 10853312), (1920, 10683729), (2016, 10174980), (2160, 9496648), (2240, 9157482), (2520, 8139984), (2688, 7631235), (2880, 7122486), (3024, 6783320), (3360, 6104988), (3456, 5935405), (3780, 5426656), (4032, 5087490), (4320, 4748324), (4480, 4578741), (5040, 4069992), (5760, 3561243), (6048, 3391660), (6720, 3052494), (7560, 2713328), (8064, 2543745), (8640, 2374162), (10080, 2034996), (12096, 1695830), (13440, 1526247), (15120, 1356664), (17280, 1187081), (20160, 1017498), (24192, 847915), (30240, 678332), (40320, 508749), (60480, 339166), (120960, 169583)]