31069620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1709}}^1$

素因数の和:1825

約数の個数: 72

約数和(自身を含む): 95233320

約数和(自身を除く): 64163700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1709, 1818, 2020, 3030, 3418, 3636, 4545, 5127, 6060, 6836, 8545, 9090, 10254, 15381, 17090, 18180, 20508, 25635, 30762, 34180, 51270, 61524, 76905, 102540, 153810, 172609, 307620, 345218, 517827, 690436, 863045, 1035654, 1553481, 1726090, 2071308, 2589135, 3106962, 3452180, 5178270, 6213924, 7767405, 10356540, 15534810, 31069620]

約数ペア:

[(1, 31069620), (2, 15534810), (3, 10356540), (4, 7767405), (5, 6213924), (6, 5178270), (9, 3452180), (10, 3106962), (12, 2589135), (15, 2071308), (18, 1726090), (20, 1553481), (30, 1035654), (36, 863045), (45, 690436), (60, 517827), (90, 345218), (101, 307620), (180, 172609), (202, 153810), (303, 102540), (404, 76905), (505, 61524), (606, 51270), (909, 34180), (1010, 30762), (1212, 25635), (1515, 20508), (1709, 18180), (1818, 17090), (2020, 15381), (3030, 10254), (3418, 9090), (3636, 8545), (4545, 6836), (5127, 6060)]