40177980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223211}}^1$

素因数の和:223226

約数の個数: 36

約数和(自身を含む): 121873752

約数和(自身を除く): 81695772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223211, 446422, 669633, 892844, 1116055, 1339266, 2008899, 2232110, 2678532, 3348165, 4017798, 4464220, 6696330, 8035596, 10044495, 13392660, 20088990, 40177980]

約数ペア:

[(1, 40177980), (2, 20088990), (3, 13392660), (4, 10044495), (5, 8035596), (6, 6696330), (9, 4464220), (10, 4017798), (12, 3348165), (15, 2678532), (18, 2232110), (20, 2008899), (30, 1339266), (36, 1116055), (45, 892844), (60, 669633), (90, 446422), (180, 223211)]