81271620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{150503}}^1$

素因数の和:150521

約数の個数: 48

約数和(自身を含む): 252846720

約数和(自身を除く): 171575100

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, 150503, 301006, 451509, 602012, 752515, 903018, 1354527, 1505030, 1806036, 2257545, 2709054, 3010060, 4063581, 4515090, 5418108, 6772635, 8127162, 9030180, 13545270, 16254324, 20317905, 27090540, 40635810, 81271620]

約数ペア:

[(1, 81271620), (2, 40635810), (3, 27090540), (4, 20317905), (5, 16254324), (6, 13545270), (9, 9030180), (10, 8127162), (12, 6772635), (15, 5418108), (18, 4515090), (20, 4063581), (27, 3010060), (30, 2709054), (36, 2257545), (45, 1806036), (54, 1505030), (60, 1354527), (90, 903018), (108, 752515), (135, 602012), (180, 451509), (270, 301006), (540, 150503)]