1257288480

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{13859}}^1$

素因数の和:13893

約数の個数: 240

約数和(自身を含む): 5071429440

約数和(自身を除く): 3814140960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7560, 9072, 10080, 11340, 12960, 13859, 15120, 18144, 22680, 27718, 30240, 41577, 45360, 55436, 69295, 83154, 90720, 97013, 110872, 124731, 138590, 166308, 194026, 207885, 221744, 249462, 277180, 291039, 332616, 374193, 388052, 415770, 443488, 485065, 498924, 554360, 582078, 623655, 665232, 748386, 776104, 831540, 873117, 970130, 997848, 1108720, 1122579, 1164156, 1247310, 1330464, 1455195, 1496772, 1552208, 1663080, 1746234, 1870965, 1940260, 1995696, 2217440, 2245158, 2328312, 2494620, 2619351, 2910390, 2993544, 3104416, 3326160, 3492468, 3741930, 3880520, 3991392, 4365585, 4490316, 4656624, 4989240, 5238702, 5612895, 5820780, 5987088, 6652320, 6984936, 7483860, 7761040, 7858053, 8731170, 8980632, 9313248, 9978480, 10477404, 11225790, 11641560, 11974176, 13096755, 13969872, 14967720, 15522080, 15716106, 17462340, 17961264, 19956960, 20954808, 22451580, 23283120, 26193510, 27939744, 29935440, 31432212, 34924680, 35922528, 39290265, 41909616, 44903160, 46566240, 52387020, 59870880, 62864424, 69849360, 78580530, 83819232, 89806320, 104774040, 125728848, 139698720, 157161060, 179612640, 209548080, 251457696, 314322120, 419096160, 628644240, 1257288480]

約数ペア:

[(1, 1257288480), (2, 628644240), (3, 419096160), (4, 314322120), (5, 251457696), (6, 209548080), (7, 179612640), (8, 157161060), (9, 139698720), (10, 125728848), (12, 104774040), (14, 89806320), (15, 83819232), (16, 78580530), (18, 69849360), (20, 62864424), (21, 59870880), (24, 52387020), (27, 46566240), (28, 44903160), (30, 41909616), (32, 39290265), (35, 35922528), (36, 34924680), (40, 31432212), (42, 29935440), (45, 27939744), (48, 26193510), (54, 23283120), (56, 22451580), (60, 20954808), (63, 19956960), (70, 17961264), (72, 17462340), (80, 15716106), (81, 15522080), (84, 14967720), (90, 13969872), (96, 13096755), (105, 11974176), (108, 11641560), (112, 11225790), (120, 10477404), (126, 9978480), (135, 9313248), (140, 8980632), (144, 8731170), (160, 7858053), (162, 7761040), (168, 7483860), (180, 6984936), (189, 6652320), (210, 5987088), (216, 5820780), (224, 5612895), (240, 5238702), (252, 4989240), (270, 4656624), (280, 4490316), (288, 4365585), (315, 3991392), (324, 3880520), (336, 3741930), (360, 3492468), (378, 3326160), (405, 3104416), (420, 2993544), (432, 2910390), (480, 2619351), (504, 2494620), (540, 2328312), (560, 2245158), (567, 2217440), (630, 1995696), (648, 1940260), (672, 1870965), (720, 1746234), (756, 1663080), (810, 1552208), (840, 1496772), (864, 1455195), (945, 1330464), (1008, 1247310), (1080, 1164156), (1120, 1122579), (1134, 1108720), (1260, 997848), (1296, 970130), (1440, 873117), (1512, 831540), (1620, 776104), (1680, 748386), (1890, 665232), (2016, 623655), (2160, 582078), (2268, 554360), (2520, 498924), (2592, 485065), (2835, 443488), (3024, 415770), (3240, 388052), (3360, 374193), (3780, 332616), (4320, 291039), (4536, 277180), (5040, 249462), (5670, 221744), (6048, 207885), (6480, 194026), (7560, 166308), (9072, 138590), (10080, 124731), (11340, 110872), (12960, 97013), (13859, 90720), (15120, 83154), (18144, 69295), (22680, 55436), (27718, 45360), (30240, 41577)]