821166080

素因数分解:

$2^{17}\times 5^1\times 7^1\times {\mathrm{179}}^1$

素因数の和:225

約数の個数: 144

約数和(自身を含む): 2264915520

約数和(自身を除く): 1443749440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 179, 224, 256, 280, 320, 358, 448, 512, 560, 640, 716, 895, 896, 1024, 1120, 1253, 1280, 1432, 1790, 1792, 2048, 2240, 2506, 2560, 2864, 3580, 3584, 4096, 4480, 5012, 5120, 5728, 6265, 7160, 7168, 8192, 8960, 10024, 10240, 11456, 12530, 14320, 14336, 16384, 17920, 20048, 20480, 22912, 25060, 28640, 28672, 32768, 35840, 40096, 40960, 45824, 50120, 57280, 57344, 65536, 71680, 80192, 81920, 91648, 100240, 114560, 114688, 131072, 143360, 160384, 163840, 183296, 200480, 229120, 229376, 286720, 320768, 327680, 366592, 400960, 458240, 458752, 573440, 641536, 655360, 733184, 801920, 916480, 917504, 1146880, 1283072, 1466368, 1603840, 1832960, 2293760, 2566144, 2932736, 3207680, 3665920, 4587520, 5132288, 5865472, 6415360, 7331840, 10264576, 11730944, 12830720, 14663680, 20529152, 23461888, 25661440, 29327360, 41058304, 51322880, 58654720, 82116608, 102645760, 117309440, 164233216, 205291520, 410583040, 821166080]

約数ペア:

[(1, 821166080), (2, 410583040), (4, 205291520), (5, 164233216), (7, 117309440), (8, 102645760), (10, 82116608), (14, 58654720), (16, 51322880), (20, 41058304), (28, 29327360), (32, 25661440), (35, 23461888), (40, 20529152), (56, 14663680), (64, 12830720), (70, 11730944), (80, 10264576), (112, 7331840), (128, 6415360), (140, 5865472), (160, 5132288), (179, 4587520), (224, 3665920), (256, 3207680), (280, 2932736), (320, 2566144), (358, 2293760), (448, 1832960), (512, 1603840), (560, 1466368), (640, 1283072), (716, 1146880), (895, 917504), (896, 916480), (1024, 801920), (1120, 733184), (1253, 655360), (1280, 641536), (1432, 573440), (1790, 458752), (1792, 458240), (2048, 400960), (2240, 366592), (2506, 327680), (2560, 320768), (2864, 286720), (3580, 229376), (3584, 229120), (4096, 200480), (4480, 183296), (5012, 163840), (5120, 160384), (5728, 143360), (6265, 131072), (7160, 114688), (7168, 114560), (8192, 100240), (8960, 91648), (10024, 81920), (10240, 80192), (11456, 71680), (12530, 65536), (14320, 57344), (14336, 57280), (16384, 50120), (17920, 45824), (20048, 40960), (20480, 40096), (22912, 35840), (25060, 32768), (28640, 28672)]