138948160

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:420

約数の個数: 112

約数和(自身を含む): 360493056

約数和(自身を除く): 221544896

約数列:

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

約数ペア:

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