1561551143240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{7287433}}^1$

素因数の和:7287942

約数の個数: 64

約数和(自身を含む): 3840769215360

約数和(自身を除く): 2279218072120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 487, 974, 1948, 2435, 3896, 4870, 5357, 9740, 10714, 19480, 21428, 26785, 42856, 53570, 107140, 214280, 7287433, 14574866, 29149732, 36437165, 58299464, 72874330, 80161763, 145748660, 160323526, 291497320, 320647052, 400808815, 641294104, 801617630, 1603235260, 3206470520, 3548979871, 7097959742, 14195919484, 17744899355, 28391838968, 35489798710, 39038778581, 70979597420, 78077557162, 141959194840, 156155114324, 195193892905, 312310228648, 390387785810, 780775571620, 1561551143240]

約数ペア:

[(1, 1561551143240), (2, 780775571620), (4, 390387785810), (5, 312310228648), (8, 195193892905), (10, 156155114324), (11, 141959194840), (20, 78077557162), (22, 70979597420), (40, 39038778581), (44, 35489798710), (55, 28391838968), (88, 17744899355), (110, 14195919484), (220, 7097959742), (440, 3548979871), (487, 3206470520), (974, 1603235260), (1948, 801617630), (2435, 641294104), (3896, 400808815), (4870, 320647052), (5357, 291497320), (9740, 160323526), (10714, 145748660), (19480, 80161763), (21428, 72874330), (26785, 58299464), (42856, 36437165), (53570, 29149732), (107140, 14574866), (214280, 7287433)]