277896320

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:422

約数の個数: 128

約数和(自身を含む): 723824640

約数和(自身を除く): 445928320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 208, 254, 260, 263, 320, 416, 508, 520, 526, 635, 640, 832, 1016, 1040, 1052, 1270, 1315, 1651, 1664, 2032, 2080, 2104, 2540, 2630, 3302, 3419, 4064, 4160, 4208, 5080, 5260, 6604, 6838, 8128, 8255, 8320, 8416, 10160, 10520, 13208, 13676, 16256, 16510, 16832, 17095, 20320, 21040, 26416, 27352, 33020, 33401, 33664, 34190, 40640, 42080, 52832, 54704, 66040, 66802, 68380, 81280, 84160, 105664, 109408, 132080, 133604, 136760, 167005, 168320, 211328, 218816, 264160, 267208, 273520, 334010, 434213, 437632, 528320, 534416, 547040, 668020, 868426, 1056640, 1068832, 1094080, 1336040, 1736852, 2137664, 2171065, 2188160, 2672080, 3473704, 4275328, 4342130, 5344160, 6947408, 8684260, 10688320, 13894816, 17368520, 21376640, 27789632, 34737040, 55579264, 69474080, 138948160, 277896320]

約数ペア:

[(1, 277896320), (2, 138948160), (4, 69474080), (5, 55579264), (8, 34737040), (10, 27789632), (13, 21376640), (16, 17368520), (20, 13894816), (26, 10688320), (32, 8684260), (40, 6947408), (52, 5344160), (64, 4342130), (65, 4275328), (80, 3473704), (104, 2672080), (127, 2188160), (128, 2171065), (130, 2137664), (160, 1736852), (208, 1336040), (254, 1094080), (260, 1068832), (263, 1056640), (320, 868426), (416, 668020), (508, 547040), (520, 534416), (526, 528320), (635, 437632), (640, 434213), (832, 334010), (1016, 273520), (1040, 267208), (1052, 264160), (1270, 218816), (1315, 211328), (1651, 168320), (1664, 167005), (2032, 136760), (2080, 133604), (2104, 132080), (2540, 109408), (2630, 105664), (3302, 84160), (3419, 81280), (4064, 68380), (4160, 66802), (4208, 66040), (5080, 54704), (5260, 52832), (6604, 42080), (6838, 40640), (8128, 34190), (8255, 33664), (8320, 33401), (8416, 33020), (10160, 27352), (10520, 26416), (13208, 21040), (13676, 20320), (16256, 17095), (16510, 16832)]