131729920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{7351}}^1$

素因数の和:7381

約数の個数: 80

約数和(自身を含む): 361012608

約数和(自身を除く): 229282688

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, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 7351, 8960, 14702, 17920, 29404, 36755, 51457, 58808, 73510, 102914, 117616, 147020, 205828, 235232, 257285, 294040, 411656, 470464, 514570, 588080, 823312, 940928, 1029140, 1176160, 1646624, 1881856, 2058280, 2352320, 3293248, 3763712, 4116560, 4704640, 6586496, 8233120, 9409280, 13172992, 16466240, 18818560, 26345984, 32932480, 65864960, 131729920]

約数ペア:

[(1, 131729920), (2, 65864960), (4, 32932480), (5, 26345984), (7, 18818560), (8, 16466240), (10, 13172992), (14, 9409280), (16, 8233120), (20, 6586496), (28, 4704640), (32, 4116560), (35, 3763712), (40, 3293248), (56, 2352320), (64, 2058280), (70, 1881856), (80, 1646624), (112, 1176160), (128, 1029140), (140, 940928), (160, 823312), (224, 588080), (256, 514570), (280, 470464), (320, 411656), (448, 294040), (512, 257285), (560, 235232), (640, 205828), (896, 147020), (1120, 117616), (1280, 102914), (1792, 73510), (2240, 58808), (2560, 51457), (3584, 36755), (4480, 29404), (7351, 17920), (8960, 14702)]