128322540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13451}}^1$

素因数の和:13519

約数の個数: 72

約数和(自身を含む): 396618768

約数和(自身を除く): 268296228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 13451, 26902, 40353, 53804, 67255, 80706, 121059, 134510, 161412, 201765, 242118, 269020, 403530, 484236, 605295, 712903, 807060, 1210590, 1425806, 2138709, 2421180, 2851612, 3564515, 4277418, 6416127, 7129030, 8554836, 10693545, 12832254, 14258060, 21387090, 25664508, 32080635, 42774180, 64161270, 128322540]

約数ペア:

[(1, 128322540), (2, 64161270), (3, 42774180), (4, 32080635), (5, 25664508), (6, 21387090), (9, 14258060), (10, 12832254), (12, 10693545), (15, 8554836), (18, 7129030), (20, 6416127), (30, 4277418), (36, 3564515), (45, 2851612), (53, 2421180), (60, 2138709), (90, 1425806), (106, 1210590), (159, 807060), (180, 712903), (212, 605295), (265, 484236), (318, 403530), (477, 269020), (530, 242118), (636, 201765), (795, 161412), (954, 134510), (1060, 121059), (1590, 80706), (1908, 67255), (2385, 53804), (3180, 40353), (4770, 26902), (9540, 13451)]