138402540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{256301}}^1$

素因数の和:256319

約数の個数: 48

約数和(自身を含む): 430587360

約数和(自身を除く): 292184820

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, 256301, 512602, 768903, 1025204, 1281505, 1537806, 2306709, 2563010, 3075612, 3844515, 4613418, 5126020, 6920127, 7689030, 9226836, 11533545, 13840254, 15378060, 23067090, 27680508, 34600635, 46134180, 69201270, 138402540]

約数ペア:

[(1, 138402540), (2, 69201270), (3, 46134180), (4, 34600635), (5, 27680508), (6, 23067090), (9, 15378060), (10, 13840254), (12, 11533545), (15, 9226836), (18, 7689030), (20, 6920127), (27, 5126020), (30, 4613418), (36, 3844515), (45, 3075612), (54, 2563010), (60, 2306709), (90, 1537806), (108, 1281505), (135, 1025204), (180, 768903), (270, 512602), (540, 256301)]