2017201980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{6359}}^1$

素因数の和:6699

約数の個数: 96

約数和(自身を含む): 6000583680

約数和(自身を除く): 3983381700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 311, 340, 510, 622, 933, 1020, 1244, 1555, 1866, 3110, 3732, 4665, 5287, 6220, 6359, 9330, 10574, 12718, 15861, 18660, 19077, 21148, 25436, 26435, 31722, 31795, 38154, 52870, 63444, 63590, 76308, 79305, 95385, 105740, 108103, 127180, 158610, 190770, 216206, 317220, 324309, 381540, 432412, 540515, 648618, 1081030, 1297236, 1621545, 1977649, 2162060, 3243090, 3955298, 5932947, 6486180, 7910596, 9888245, 11865894, 19776490, 23731788, 29664735, 33620033, 39552980, 59329470, 67240066, 100860099, 118658940, 134480132, 168100165, 201720198, 336200330, 403440396, 504300495, 672400660, 1008600990, 2017201980]

約数ペア:

[(1, 2017201980), (2, 1008600990), (3, 672400660), (4, 504300495), (5, 403440396), (6, 336200330), (10, 201720198), (12, 168100165), (15, 134480132), (17, 118658940), (20, 100860099), (30, 67240066), (34, 59329470), (51, 39552980), (60, 33620033), (68, 29664735), (85, 23731788), (102, 19776490), (170, 11865894), (204, 9888245), (255, 7910596), (311, 6486180), (340, 5932947), (510, 3955298), (622, 3243090), (933, 2162060), (1020, 1977649), (1244, 1621545), (1555, 1297236), (1866, 1081030), (3110, 648618), (3732, 540515), (4665, 432412), (5287, 381540), (6220, 324309), (6359, 317220), (9330, 216206), (10574, 190770), (12718, 158610), (15861, 127180), (18660, 108103), (19077, 105740), (21148, 95385), (25436, 79305), (26435, 76308), (31722, 63590), (31795, 63444), (38154, 52870)]