31928580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19709}}^1$

素因数の和:19730

約数の個数: 60

約数和(自身を含む): 100166220

約数和(自身を除く): 68237640

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 19709, 39418, 59127, 78836, 98545, 118254, 177381, 197090, 236508, 295635, 354762, 394180, 532143, 591270, 709524, 886905, 1064286, 1182540, 1596429, 1773810, 2128572, 2660715, 3192858, 3547620, 5321430, 6385716, 7982145, 10642860, 15964290, 31928580]

約数ペア:

[(1, 31928580), (2, 15964290), (3, 10642860), (4, 7982145), (5, 6385716), (6, 5321430), (9, 3547620), (10, 3192858), (12, 2660715), (15, 2128572), (18, 1773810), (20, 1596429), (27, 1182540), (30, 1064286), (36, 886905), (45, 709524), (54, 591270), (60, 532143), (81, 394180), (90, 354762), (108, 295635), (135, 236508), (162, 197090), (180, 177381), (270, 118254), (324, 98545), (405, 78836), (540, 59127), (810, 39418), (1620, 19709)]