71770440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2051

約数の個数: 128

約数和(自身を含む): 251919360

約数和(自身を除く): 180148920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 645, 840, 860, 903, 1032, 1204, 1290, 1505, 1720, 1806, 1987, 2408, 2580, 3010, 3612, 3974, 4515, 5160, 5961, 6020, 7224, 7948, 9030, 9935, 11922, 12040, 13909, 15896, 18060, 19870, 23844, 27818, 29805, 36120, 39740, 41727, 47688, 55636, 59610, 69545, 79480, 83454, 85441, 111272, 119220, 139090, 166908, 170882, 208635, 238440, 256323, 278180, 333816, 341764, 417270, 427205, 512646, 556360, 598087, 683528, 834540, 854410, 1025292, 1196174, 1281615, 1669080, 1708820, 1794261, 2050584, 2392348, 2563230, 2990435, 3417640, 3588522, 4784696, 5126460, 5980870, 7177044, 8971305, 10252920, 11961740, 14354088, 17942610, 23923480, 35885220, 71770440]

約数ペア:

[(1, 71770440), (2, 35885220), (3, 23923480), (4, 17942610), (5, 14354088), (6, 11961740), (7, 10252920), (8, 8971305), (10, 7177044), (12, 5980870), (14, 5126460), (15, 4784696), (20, 3588522), (21, 3417640), (24, 2990435), (28, 2563230), (30, 2392348), (35, 2050584), (40, 1794261), (42, 1708820), (43, 1669080), (56, 1281615), (60, 1196174), (70, 1025292), (84, 854410), (86, 834540), (105, 683528), (120, 598087), (129, 556360), (140, 512646), (168, 427205), (172, 417270), (210, 341764), (215, 333816), (258, 278180), (280, 256323), (301, 238440), (344, 208635), (420, 170882), (430, 166908), (516, 139090), (602, 119220), (645, 111272), (840, 85441), (860, 83454), (903, 79480), (1032, 69545), (1204, 59610), (1290, 55636), (1505, 47688), (1720, 41727), (1806, 39740), (1987, 36120), (2408, 29805), (2580, 27818), (3010, 23844), (3612, 19870), (3974, 18060), (4515, 15896), (5160, 13909), (5961, 12040), (6020, 11922), (7224, 9935), (7948, 9030)]