68655680

素因数分解:

$2^6\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2083}}^1$

素因数の和:2203

約数の個数: 56

約数和(自身を含む): 165152832

約数和(自身を除く): 96497152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 160, 206, 320, 412, 515, 824, 1030, 1648, 2060, 2083, 3296, 4120, 4166, 6592, 8240, 8332, 10415, 16480, 16664, 20830, 32960, 33328, 41660, 66656, 83320, 133312, 166640, 214549, 333280, 429098, 666560, 858196, 1072745, 1716392, 2145490, 3432784, 4290980, 6865568, 8581960, 13731136, 17163920, 34327840, 68655680]

約数ペア:

[(1, 68655680), (2, 34327840), (4, 17163920), (5, 13731136), (8, 8581960), (10, 6865568), (16, 4290980), (20, 3432784), (32, 2145490), (40, 1716392), (64, 1072745), (80, 858196), (103, 666560), (160, 429098), (206, 333280), (320, 214549), (412, 166640), (515, 133312), (824, 83320), (1030, 66656), (1648, 41660), (2060, 33328), (2083, 32960), (3296, 20830), (4120, 16664), (4166, 16480), (6592, 10415), (8240, 8332)]