1272997880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2309}}^1$

素因数の和:2517

約数の個数: 128

約数和(自身を含む): 3592512000

約数和(自身を除く): 2319514120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 179, 220, 280, 308, 358, 385, 440, 616, 716, 770, 895, 1253, 1432, 1540, 1790, 1969, 2309, 2506, 3080, 3580, 3938, 4618, 5012, 6265, 7160, 7876, 9236, 9845, 10024, 11545, 12530, 13783, 15752, 16163, 18472, 19690, 23090, 25060, 25399, 27566, 32326, 39380, 46180, 50120, 50798, 55132, 64652, 68915, 78760, 80815, 92360, 101596, 110264, 126995, 129304, 137830, 161630, 177793, 203192, 253990, 275660, 323260, 355586, 413311, 507980, 551320, 646520, 711172, 826622, 888965, 1015960, 1422344, 1653244, 1777930, 2066555, 2893177, 3306488, 3555860, 4133110, 4546421, 5786354, 7111720, 8266220, 9092842, 11572708, 14465885, 16532440, 18185684, 22732105, 23145416, 28931770, 31824947, 36371368, 45464210, 57863540, 63649894, 90928420, 115727080, 127299788, 159124735, 181856840, 254599576, 318249470, 636498940, 1272997880]

約数ペア:

[(1, 1272997880), (2, 636498940), (4, 318249470), (5, 254599576), (7, 181856840), (8, 159124735), (10, 127299788), (11, 115727080), (14, 90928420), (20, 63649894), (22, 57863540), (28, 45464210), (35, 36371368), (40, 31824947), (44, 28931770), (55, 23145416), (56, 22732105), (70, 18185684), (77, 16532440), (88, 14465885), (110, 11572708), (140, 9092842), (154, 8266220), (179, 7111720), (220, 5786354), (280, 4546421), (308, 4133110), (358, 3555860), (385, 3306488), (440, 2893177), (616, 2066555), (716, 1777930), (770, 1653244), (895, 1422344), (1253, 1015960), (1432, 888965), (1540, 826622), (1790, 711172), (1969, 646520), (2309, 551320), (2506, 507980), (3080, 413311), (3580, 355586), (3938, 323260), (4618, 275660), (5012, 253990), (6265, 203192), (7160, 177793), (7876, 161630), (9236, 137830), (9845, 129304), (10024, 126995), (11545, 110264), (12530, 101596), (13783, 92360), (15752, 80815), (16163, 78760), (18472, 68915), (19690, 64652), (23090, 55132), (25060, 50798), (25399, 50120), (27566, 46180), (32326, 39380)]