78723180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{437351}}^1$

素因数の和:437366

約数の個数: 36

約数和(自身を含む): 238794192

約数和(自身を除く): 160071012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 437351, 874702, 1312053, 1749404, 2186755, 2624106, 3936159, 4373510, 5248212, 6560265, 7872318, 8747020, 13120530, 15744636, 19680795, 26241060, 39361590, 78723180]

約数ペア:

[(1, 78723180), (2, 39361590), (3, 26241060), (4, 19680795), (5, 15744636), (6, 13120530), (9, 8747020), (10, 7872318), (12, 6560265), (15, 5248212), (18, 4373510), (20, 3936159), (30, 2624106), (36, 2186755), (45, 1749404), (60, 1312053), (90, 874702), (180, 437351)]