1272044760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{7687}}^1$

素因数の和:7905

約数の個数: 128

約数和(自身を含む): 4384005120

約数和(自身を除く): 3111960360

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, 105, 120, 140, 168, 197, 210, 280, 394, 420, 591, 788, 840, 985, 1182, 1379, 1576, 1970, 2364, 2758, 2955, 3940, 4137, 4728, 5516, 5910, 6895, 7687, 7880, 8274, 11032, 11820, 13790, 15374, 16548, 20685, 23061, 23640, 27580, 30748, 33096, 38435, 41370, 46122, 53809, 55160, 61496, 76870, 82740, 92244, 107618, 115305, 153740, 161427, 165480, 184488, 215236, 230610, 269045, 307480, 322854, 430472, 461220, 538090, 645708, 807135, 922440, 1076180, 1291416, 1514339, 1614270, 2152360, 3028678, 3228540, 4543017, 6057356, 6457080, 7571695, 9086034, 10600373, 12114712, 15143390, 18172068, 21200746, 22715085, 30286780, 31801119, 36344136, 42401492, 45430170, 53001865, 60573560, 63602238, 84802984, 90860340, 106003730, 127204476, 159005595, 181720680, 212007460, 254408952, 318011190, 424014920, 636022380, 1272044760]

約数ペア:

[(1, 1272044760), (2, 636022380), (3, 424014920), (4, 318011190), (5, 254408952), (6, 212007460), (7, 181720680), (8, 159005595), (10, 127204476), (12, 106003730), (14, 90860340), (15, 84802984), (20, 63602238), (21, 60573560), (24, 53001865), (28, 45430170), (30, 42401492), (35, 36344136), (40, 31801119), (42, 30286780), (56, 22715085), (60, 21200746), (70, 18172068), (84, 15143390), (105, 12114712), (120, 10600373), (140, 9086034), (168, 7571695), (197, 6457080), (210, 6057356), (280, 4543017), (394, 3228540), (420, 3028678), (591, 2152360), (788, 1614270), (840, 1514339), (985, 1291416), (1182, 1076180), (1379, 922440), (1576, 807135), (1970, 645708), (2364, 538090), (2758, 461220), (2955, 430472), (3940, 322854), (4137, 307480), (4728, 269045), (5516, 230610), (5910, 215236), (6895, 184488), (7687, 165480), (7880, 161427), (8274, 153740), (11032, 115305), (11820, 107618), (13790, 92244), (15374, 82740), (16548, 76870), (20685, 61496), (23061, 55160), (23640, 53809), (27580, 46122), (30748, 41370), (33096, 38435)]