163968280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{585601}}^1$

素因数の和:585619

約数の個数: 32

約数和(自身を含む): 421633440

約数和(自身を除く): 257665160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 585601, 1171202, 2342404, 2928005, 4099207, 4684808, 5856010, 8198414, 11712020, 16396828, 20496035, 23424040, 32793656, 40992070, 81984140, 163968280]

約数ペア:

[(1, 163968280), (2, 81984140), (4, 40992070), (5, 32793656), (7, 23424040), (8, 20496035), (10, 16396828), (14, 11712020), (20, 8198414), (28, 5856010), (35, 4684808), (40, 4099207), (56, 2928005), (70, 2342404), (140, 1171202), (280, 585601)]