205291520

素因数分解:

$2^{15}\times 5^1\times 7^1\times {\mathrm{179}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 566222400

約数和(自身を除く): 360930880

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, 71680, 80192, 81920, 91648, 100240, 114560, 114688, 143360, 160384, 163840, 183296, 200480, 229120, 229376, 286720, 320768, 366592, 400960, 458240, 573440, 641536, 733184, 801920, 916480, 1146880, 1283072, 1466368, 1603840, 1832960, 2566144, 2932736, 3207680, 3665920, 5132288, 5865472, 6415360, 7331840, 10264576, 12830720, 14663680, 20529152, 25661440, 29327360, 41058304, 51322880, 102645760, 205291520]

約数ペア:

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