81397080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{226103}}^1$

素因数の和:226120

約数の個数: 48

約数和(自身を含む): 264541680

約数和(自身を除く): 183144600

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, 226103, 452206, 678309, 904412, 1130515, 1356618, 1808824, 2034927, 2261030, 2713236, 3391545, 4069854, 4522060, 5426472, 6783090, 8139708, 9044120, 10174635, 13566180, 16279416, 20349270, 27132360, 40698540, 81397080]

約数ペア:

[(1, 81397080), (2, 40698540), (3, 27132360), (4, 20349270), (5, 16279416), (6, 13566180), (8, 10174635), (9, 9044120), (10, 8139708), (12, 6783090), (15, 5426472), (18, 4522060), (20, 4069854), (24, 3391545), (30, 2713236), (36, 2261030), (40, 2034927), (45, 1808824), (60, 1356618), (72, 1130515), (90, 904412), (120, 678309), (180, 452206), (360, 226103)]