155568280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5501}}^1$

素因数の和:5620

約数の個数: 64

約数和(自身を含む): 404066880

約数和(自身を除く): 248498600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 2020, 2828, 3535, 4040, 5501, 5656, 7070, 11002, 14140, 22004, 27505, 28280, 38507, 44008, 55010, 77014, 110020, 154028, 192535, 220040, 308056, 385070, 555601, 770140, 1111202, 1540280, 2222404, 2778005, 3889207, 4444808, 5556010, 7778414, 11112020, 15556828, 19446035, 22224040, 31113656, 38892070, 77784140, 155568280]

約数ペア:

[(1, 155568280), (2, 77784140), (4, 38892070), (5, 31113656), (7, 22224040), (8, 19446035), (10, 15556828), (14, 11112020), (20, 7778414), (28, 5556010), (35, 4444808), (40, 3889207), (56, 2778005), (70, 2222404), (101, 1540280), (140, 1111202), (202, 770140), (280, 555601), (404, 385070), (505, 308056), (707, 220040), (808, 192535), (1010, 154028), (1414, 110020), (2020, 77014), (2828, 55010), (3535, 44008), (4040, 38507), (5501, 28280), (5656, 27505), (7070, 22004), (11002, 14140)]