128256240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{76343}}^1$

素因数の和:76366

約数の個数: 80

約数和(自身を含む): 454399488

約数和(自身を除く): 326143248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 76343, 152686, 229029, 305372, 381715, 458058, 534401, 610744, 763430, 916116, 1068802, 1145145, 1221488, 1526860, 1603203, 1832232, 2137604, 2290290, 2672005, 3053720, 3206406, 3664464, 4275208, 4580580, 5344010, 6107440, 6412812, 8016015, 8550416, 9161160, 10688020, 12825624, 16032030, 18322320, 21376040, 25651248, 32064060, 42752080, 64128120, 128256240]

約数ペア:

[(1, 128256240), (2, 64128120), (3, 42752080), (4, 32064060), (5, 25651248), (6, 21376040), (7, 18322320), (8, 16032030), (10, 12825624), (12, 10688020), (14, 9161160), (15, 8550416), (16, 8016015), (20, 6412812), (21, 6107440), (24, 5344010), (28, 4580580), (30, 4275208), (35, 3664464), (40, 3206406), (42, 3053720), (48, 2672005), (56, 2290290), (60, 2137604), (70, 1832232), (80, 1603203), (84, 1526860), (105, 1221488), (112, 1145145), (120, 1068802), (140, 916116), (168, 763430), (210, 610744), (240, 534401), (280, 458058), (336, 381715), (420, 305372), (560, 229029), (840, 152686), (1680, 76343)]