51372540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1709}}^1$

素因数の和:1891

約数の個数: 72

約数和(自身を含む): 156854880

約数和(自身を除く): 105482340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 167, 180, 334, 501, 668, 835, 1002, 1503, 1670, 1709, 2004, 2505, 3006, 3340, 3418, 5010, 5127, 6012, 6836, 7515, 8545, 10020, 10254, 15030, 15381, 17090, 20508, 25635, 30060, 30762, 34180, 51270, 61524, 76905, 102540, 153810, 285403, 307620, 570806, 856209, 1141612, 1427015, 1712418, 2568627, 2854030, 3424836, 4281045, 5137254, 5708060, 8562090, 10274508, 12843135, 17124180, 25686270, 51372540]

約数ペア:

[(1, 51372540), (2, 25686270), (3, 17124180), (4, 12843135), (5, 10274508), (6, 8562090), (9, 5708060), (10, 5137254), (12, 4281045), (15, 3424836), (18, 2854030), (20, 2568627), (30, 1712418), (36, 1427015), (45, 1141612), (60, 856209), (90, 570806), (167, 307620), (180, 285403), (334, 153810), (501, 102540), (668, 76905), (835, 61524), (1002, 51270), (1503, 34180), (1670, 30762), (1709, 30060), (2004, 25635), (2505, 20508), (3006, 17090), (3340, 15381), (3418, 15030), (5010, 10254), (5127, 10020), (6012, 8545), (6836, 7515)]