81707840

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:224

約数の個数: 112

約数和(自身を含む): 204776832

約数和(自身を除く): 123068992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 67, 74, 80, 103, 134, 148, 160, 185, 206, 268, 296, 320, 335, 370, 412, 515, 536, 592, 670, 740, 824, 1030, 1072, 1184, 1340, 1480, 1648, 2060, 2144, 2368, 2479, 2680, 2960, 3296, 3811, 4120, 4288, 4958, 5360, 5920, 6592, 6901, 7622, 8240, 9916, 10720, 11840, 12395, 13802, 15244, 16480, 19055, 19832, 21440, 24790, 27604, 30488, 32960, 34505, 38110, 39664, 49580, 55208, 60976, 69010, 76220, 79328, 99160, 110416, 121952, 138020, 152440, 158656, 198320, 220832, 243904, 255337, 276040, 304880, 396640, 441664, 510674, 552080, 609760, 793280, 1021348, 1104160, 1219520, 1276685, 2042696, 2208320, 2553370, 4085392, 5106740, 8170784, 10213480, 16341568, 20426960, 40853920, 81707840]

約数ペア:

[(1, 81707840), (2, 40853920), (4, 20426960), (5, 16341568), (8, 10213480), (10, 8170784), (16, 5106740), (20, 4085392), (32, 2553370), (37, 2208320), (40, 2042696), (64, 1276685), (67, 1219520), (74, 1104160), (80, 1021348), (103, 793280), (134, 609760), (148, 552080), (160, 510674), (185, 441664), (206, 396640), (268, 304880), (296, 276040), (320, 255337), (335, 243904), (370, 220832), (412, 198320), (515, 158656), (536, 152440), (592, 138020), (670, 121952), (740, 110416), (824, 99160), (1030, 79328), (1072, 76220), (1184, 69010), (1340, 60976), (1480, 55208), (1648, 49580), (2060, 39664), (2144, 38110), (2368, 34505), (2479, 32960), (2680, 30488), (2960, 27604), (3296, 24790), (3811, 21440), (4120, 19832), (4288, 19055), (4958, 16480), (5360, 15244), (5920, 13802), (6592, 12395), (6901, 11840), (7622, 10720), (8240, 9916)]