20780492544

素因数分解:

$2^8\times 3^3\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1381}}^1$

素因数の和:1724

約数の個数: 288

約数和(自身を含む): 70507207680

約数和(自身を除く): 49726715136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 128, 144, 168, 189, 192, 216, 224, 252, 256, 288, 311, 336, 378, 384, 432, 448, 504, 576, 622, 672, 756, 768, 864, 896, 933, 1008, 1152, 1244, 1344, 1381, 1512, 1728, 1792, 1866, 2016, 2177, 2304, 2488, 2688, 2762, 2799, 3024, 3456, 3732, 4032, 4143, 4354, 4976, 5376, 5524, 5598, 6048, 6531, 6912, 7464, 8064, 8286, 8397, 8708, 9667, 9952, 11048, 11196, 12096, 12429, 13062, 14928, 16128, 16572, 16794, 17416, 19334, 19593, 19904, 22096, 22392, 24192, 24858, 26124, 29001, 29856, 33144, 33588, 34832, 37287, 38668, 39186, 39808, 44192, 44784, 48384, 49716, 52248, 58002, 58779, 59712, 66288, 67176, 69664, 74574, 77336, 78372, 79616, 87003, 88384, 89568, 99432, 104496, 116004, 117558, 119424, 132576, 134352, 139328, 149148, 154672, 156744, 174006, 176768, 179136, 198864, 208992, 232008, 235116, 238848, 261009, 265152, 268704, 278656, 298296, 309344, 313488, 348012, 353536, 358272, 397728, 417984, 429491, 464016, 470232, 522018, 530304, 537408, 557312, 596592, 618688, 626976, 696024, 716544, 795456, 835968, 858982, 928032, 940464, 1044036, 1060608, 1074816, 1193184, 1237376, 1253952, 1288473, 1392048, 1590912, 1671936, 1717964, 1856064, 1880928, 2088072, 2149632, 2386368, 2474752, 2507904, 2576946, 2784096, 3006437, 3181824, 3435928, 3712128, 3761856, 3865419, 4176144, 4772736, 5015808, 5153892, 5568192, 6012874, 6871856, 7424256, 7523712, 7730838, 8352288, 9019311, 9545472, 10307784, 11136384, 11596257, 12025748, 13743712, 15047424, 15461676, 16704576, 18038622, 20615568, 22272768, 23192514, 24051496, 27057933, 27487424, 30923352, 33409152, 36077244, 41231136, 46385028, 48102992, 54115866, 54974848, 61846704, 66818304, 72154488, 81173799, 82462272, 92770056, 96205984, 108231732, 109949696, 123693408, 144308976, 162347598, 164924544, 185540112, 192411968, 216463464, 247386816, 288617952, 324695196, 329849088, 371080224, 384823936, 432926928, 494773632, 577235904, 649390392, 742160448, 769647872, 865853856, 989547264, 1154471808, 1298780784, 1484320896, 1731707712, 2308943616, 2597561568, 2968641792, 3463415424, 5195123136, 6926830848, 10390246272, 20780492544]

約数ペア:

[(1, 20780492544), (2, 10390246272), (3, 6926830848), (4, 5195123136), (6, 3463415424), (7, 2968641792), (8, 2597561568), (9, 2308943616), (12, 1731707712), (14, 1484320896), (16, 1298780784), (18, 1154471808), (21, 989547264), (24, 865853856), (27, 769647872), (28, 742160448), (32, 649390392), (36, 577235904), (42, 494773632), (48, 432926928), (54, 384823936), (56, 371080224), (63, 329849088), (64, 324695196), (72, 288617952), (84, 247386816), (96, 216463464), (108, 192411968), (112, 185540112), (126, 164924544), (128, 162347598), (144, 144308976), (168, 123693408), (189, 109949696), (192, 108231732), (216, 96205984), (224, 92770056), (252, 82462272), (256, 81173799), (288, 72154488), (311, 66818304), (336, 61846704), (378, 54974848), (384, 54115866), (432, 48102992), (448, 46385028), (504, 41231136), (576, 36077244), (622, 33409152), (672, 30923352), (756, 27487424), (768, 27057933), (864, 24051496), (896, 23192514), (933, 22272768), (1008, 20615568), (1152, 18038622), (1244, 16704576), (1344, 15461676), (1381, 15047424), (1512, 13743712), (1728, 12025748), (1792, 11596257), (1866, 11136384), (2016, 10307784), (2177, 9545472), (2304, 9019311), (2488, 8352288), (2688, 7730838), (2762, 7523712), (2799, 7424256), (3024, 6871856), (3456, 6012874), (3732, 5568192), (4032, 5153892), (4143, 5015808), (4354, 4772736), (4976, 4176144), (5376, 3865419), (5524, 3761856), (5598, 3712128), (6048, 3435928), (6531, 3181824), (6912, 3006437), (7464, 2784096), (8064, 2576946), (8286, 2507904), (8397, 2474752), (8708, 2386368), (9667, 2149632), (9952, 2088072), (11048, 1880928), (11196, 1856064), (12096, 1717964), (12429, 1671936), (13062, 1590912), (14928, 1392048), (16128, 1288473), (16572, 1253952), (16794, 1237376), (17416, 1193184), (19334, 1074816), (19593, 1060608), (19904, 1044036), (22096, 940464), (22392, 928032), (24192, 858982), (24858, 835968), (26124, 795456), (29001, 716544), (29856, 696024), (33144, 626976), (33588, 618688), (34832, 596592), (37287, 557312), (38668, 537408), (39186, 530304), (39808, 522018), (44192, 470232), (44784, 464016), (48384, 429491), (49716, 417984), (52248, 397728), (58002, 358272), (58779, 353536), (59712, 348012), (66288, 313488), (67176, 309344), (69664, 298296), (74574, 278656), (77336, 268704), (78372, 265152), (79616, 261009), (87003, 238848), (88384, 235116), (89568, 232008), (99432, 208992), (104496, 198864), (116004, 179136), (117558, 176768), (119424, 174006), (132576, 156744), (134352, 154672), (139328, 149148)]