21207142080

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{19429}}^1$

素因数の和:19831

約数の個数: 168

約数和(自身を含む): 73139960400

約数和(自身を除く): 51932818320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 379, 480, 576, 720, 758, 960, 1137, 1440, 1516, 1895, 2274, 2880, 3032, 3411, 3790, 4548, 5685, 6064, 6822, 7580, 9096, 11370, 12128, 13644, 15160, 17055, 18192, 19429, 22740, 24256, 27288, 30320, 34110, 36384, 38858, 45480, 54576, 58287, 60640, 68220, 72768, 77716, 90960, 97145, 109152, 116574, 121280, 136440, 155432, 174861, 181920, 194290, 218304, 233148, 272880, 291435, 310864, 349722, 363840, 388580, 466296, 545760, 582870, 621728, 699444, 777160, 874305, 932592, 1091520, 1165740, 1243456, 1398888, 1554320, 1748610, 1865184, 2331480, 2797776, 3108640, 3497220, 3730368, 4662960, 5595552, 6217280, 6994440, 7363591, 9325920, 11191104, 13988880, 14727182, 18651840, 22090773, 27977760, 29454364, 36817955, 44181546, 55955520, 58908728, 66272319, 73635910, 88363092, 110453865, 117817456, 132544638, 147271820, 176726184, 220907730, 235634912, 265089276, 294543640, 331361595, 353452368, 441815460, 471269824, 530178552, 589087280, 662723190, 706904736, 883630920, 1060357104, 1178174560, 1325446380, 1413809472, 1767261840, 2120714208, 2356349120, 2650892760, 3534523680, 4241428416, 5301785520, 7069047360, 10603571040, 21207142080]

約数ペア:

[(1, 21207142080), (2, 10603571040), (3, 7069047360), (4, 5301785520), (5, 4241428416), (6, 3534523680), (8, 2650892760), (9, 2356349120), (10, 2120714208), (12, 1767261840), (15, 1413809472), (16, 1325446380), (18, 1178174560), (20, 1060357104), (24, 883630920), (30, 706904736), (32, 662723190), (36, 589087280), (40, 530178552), (45, 471269824), (48, 441815460), (60, 353452368), (64, 331361595), (72, 294543640), (80, 265089276), (90, 235634912), (96, 220907730), (120, 176726184), (144, 147271820), (160, 132544638), (180, 117817456), (192, 110453865), (240, 88363092), (288, 73635910), (320, 66272319), (360, 58908728), (379, 55955520), (480, 44181546), (576, 36817955), (720, 29454364), (758, 27977760), (960, 22090773), (1137, 18651840), (1440, 14727182), (1516, 13988880), (1895, 11191104), (2274, 9325920), (2880, 7363591), (3032, 6994440), (3411, 6217280), (3790, 5595552), (4548, 4662960), (5685, 3730368), (6064, 3497220), (6822, 3108640), (7580, 2797776), (9096, 2331480), (11370, 1865184), (12128, 1748610), (13644, 1554320), (15160, 1398888), (17055, 1243456), (18192, 1165740), (19429, 1091520), (22740, 932592), (24256, 874305), (27288, 777160), (30320, 699444), (34110, 621728), (36384, 582870), (38858, 545760), (45480, 466296), (54576, 388580), (58287, 363840), (60640, 349722), (68220, 310864), (72768, 291435), (77716, 272880), (90960, 233148), (97145, 218304), (109152, 194290), (116574, 181920), (121280, 174861), (136440, 155432)]