28390157880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{348431}}^1$

素因数の和:348549

約数の個数: 128

約数和(自身を含む): 98341447680

約数和(自身を除く): 69951289800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 280, 291, 388, 420, 485, 582, 679, 776, 840, 970, 1164, 1358, 1455, 1940, 2037, 2328, 2716, 2910, 3395, 3880, 4074, 5432, 5820, 6790, 8148, 10185, 11640, 13580, 16296, 20370, 27160, 40740, 81480, 348431, 696862, 1045293, 1393724, 1742155, 2090586, 2439017, 2787448, 3484310, 4181172, 4878034, 5226465, 6968620, 7317051, 8362344, 9756068, 10452930, 12195085, 13937240, 14634102, 19512136, 20905860, 24390170, 29268204, 33797807, 36585255, 41811720, 48780340, 58536408, 67595614, 73170510, 97560680, 101393421, 135191228, 146341020, 168989035, 202786842, 236584649, 270382456, 292682040, 337978070, 405573684, 473169298, 506967105, 675956140, 709753947, 811147368, 946338596, 1013934210, 1182923245, 1351912280, 1419507894, 1892677192, 2027868420, 2365846490, 2839015788, 3548769735, 4055736840, 4731692980, 5678031576, 7097539470, 9463385960, 14195078940, 28390157880]

約数ペア:

[(1, 28390157880), (2, 14195078940), (3, 9463385960), (4, 7097539470), (5, 5678031576), (6, 4731692980), (7, 4055736840), (8, 3548769735), (10, 2839015788), (12, 2365846490), (14, 2027868420), (15, 1892677192), (20, 1419507894), (21, 1351912280), (24, 1182923245), (28, 1013934210), (30, 946338596), (35, 811147368), (40, 709753947), (42, 675956140), (56, 506967105), (60, 473169298), (70, 405573684), (84, 337978070), (97, 292682040), (105, 270382456), (120, 236584649), (140, 202786842), (168, 168989035), (194, 146341020), (210, 135191228), (280, 101393421), (291, 97560680), (388, 73170510), (420, 67595614), (485, 58536408), (582, 48780340), (679, 41811720), (776, 36585255), (840, 33797807), (970, 29268204), (1164, 24390170), (1358, 20905860), (1455, 19512136), (1940, 14634102), (2037, 13937240), (2328, 12195085), (2716, 10452930), (2910, 9756068), (3395, 8362344), (3880, 7317051), (4074, 6968620), (5432, 5226465), (5820, 4878034), (6790, 4181172), (8148, 3484310), (10185, 2787448), (11640, 2439017), (13580, 2090586), (16296, 1742155), (20370, 1393724), (27160, 1045293), (40740, 696862), (81480, 348431)]