81641880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{226783}}^1$

素因数の和:226800

約数の個数: 48

約数和(自身を含む): 265337280

約数和(自身を除く): 183695400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 226783, 453566, 680349, 907132, 1133915, 1360698, 1814264, 2041047, 2267830, 2721396, 3401745, 4082094, 4535660, 5442792, 6803490, 8164188, 9071320, 10205235, 13606980, 16328376, 20410470, 27213960, 40820940, 81641880]

約数ペア:

[(1, 81641880), (2, 40820940), (3, 27213960), (4, 20410470), (5, 16328376), (6, 13606980), (8, 10205235), (9, 9071320), (10, 8164188), (12, 6803490), (15, 5442792), (18, 4535660), (20, 4082094), (24, 3401745), (30, 2721396), (36, 2267830), (40, 2041047), (45, 1814264), (60, 1360698), (72, 1133915), (90, 907132), (120, 680349), (180, 453566), (360, 226783)]