131531580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{243577}}^1$

素因数の和:243595

約数の個数: 48

約数和(自身を含む): 409211040

約数和(自身を除く): 277679460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 243577, 487154, 730731, 974308, 1217885, 1461462, 2192193, 2435770, 2922924, 3653655, 4384386, 4871540, 6576579, 7307310, 8768772, 10960965, 13153158, 14614620, 21921930, 26306316, 32882895, 43843860, 65765790, 131531580]

約数ペア:

[(1, 131531580), (2, 65765790), (3, 43843860), (4, 32882895), (5, 26306316), (6, 21921930), (9, 14614620), (10, 13153158), (12, 10960965), (15, 8768772), (18, 7307310), (20, 6576579), (27, 4871540), (30, 4384386), (36, 3653655), (45, 2922924), (54, 2435770), (60, 2192193), (90, 1461462), (108, 1217885), (135, 974308), (180, 730731), (270, 487154), (540, 243577)]