71847180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{399151}}^1$

素因数の和:399166

約数の個数: 36

約数和(自身を含む): 217936992

約数和(自身を除く): 146089812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 399151, 798302, 1197453, 1596604, 1995755, 2394906, 3592359, 3991510, 4789812, 5987265, 7184718, 7983020, 11974530, 14369436, 17961795, 23949060, 35923590, 71847180]

約数ペア:

[(1, 71847180), (2, 35923590), (3, 23949060), (4, 17961795), (5, 14369436), (6, 11974530), (9, 7983020), (10, 7184718), (12, 5987265), (15, 4789812), (18, 3991510), (20, 3592359), (30, 2394906), (36, 1995755), (45, 1596604), (60, 1197453), (90, 798302), (180, 399151)]