7813960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 128

約数和(自身を含む): 22809600

約数和(自身を除く): 14995640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 43, 44, 55, 56, 59, 70, 77, 86, 88, 110, 118, 140, 154, 172, 215, 220, 236, 280, 295, 301, 308, 344, 385, 413, 430, 440, 472, 473, 590, 602, 616, 649, 770, 826, 860, 946, 1180, 1204, 1298, 1505, 1540, 1652, 1720, 1892, 2065, 2360, 2365, 2408, 2537, 2596, 3010, 3080, 3245, 3304, 3311, 3784, 4130, 4543, 4730, 5074, 5192, 6020, 6490, 6622, 8260, 9086, 9460, 10148, 12040, 12685, 12980, 13244, 16520, 16555, 17759, 18172, 18920, 20296, 22715, 25370, 25960, 26488, 27907, 33110, 35518, 36344, 45430, 50740, 55814, 66220, 71036, 88795, 90860, 101480, 111628, 132440, 139535, 142072, 177590, 181720, 195349, 223256, 279070, 355180, 390698, 558140, 710360, 781396, 976745, 1116280, 1562792, 1953490, 3906980, 7813960]

約数ペア:

[(1, 7813960), (2, 3906980), (4, 1953490), (5, 1562792), (7, 1116280), (8, 976745), (10, 781396), (11, 710360), (14, 558140), (20, 390698), (22, 355180), (28, 279070), (35, 223256), (40, 195349), (43, 181720), (44, 177590), (55, 142072), (56, 139535), (59, 132440), (70, 111628), (77, 101480), (86, 90860), (88, 88795), (110, 71036), (118, 66220), (140, 55814), (154, 50740), (172, 45430), (215, 36344), (220, 35518), (236, 33110), (280, 27907), (295, 26488), (301, 25960), (308, 25370), (344, 22715), (385, 20296), (413, 18920), (430, 18172), (440, 17759), (472, 16555), (473, 16520), (590, 13244), (602, 12980), (616, 12685), (649, 12040), (770, 10148), (826, 9460), (860, 9086), (946, 8260), (1180, 6622), (1204, 6490), (1298, 6020), (1505, 5192), (1540, 5074), (1652, 4730), (1720, 4543), (1892, 4130), (2065, 3784), (2360, 3311), (2365, 3304), (2408, 3245), (2537, 3080), (2596, 3010)]