820770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 1995840

約数和(自身を除く): 1175070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 109, 218, 251, 327, 502, 545, 654, 753, 1090, 1255, 1506, 1635, 2510, 3270, 3765, 7530, 27359, 54718, 82077, 136795, 164154, 273590, 410385, 820770]

約数ペア:

[(1, 820770), (2, 410385), (3, 273590), (5, 164154), (6, 136795), (10, 82077), (15, 54718), (30, 27359), (109, 7530), (218, 3765), (251, 3270), (327, 2510), (502, 1635), (545, 1506), (654, 1255), (753, 1090)]