15691380520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1\times {\mathrm{24767}}^1$

素因数の和:25162

約数の個数: 64

約数和(自身を含む): 36165242880

約数和(自身を除く): 20473862360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 337, 376, 470, 674, 940, 1348, 1685, 1880, 2696, 3370, 6740, 13480, 15839, 24767, 31678, 49534, 63356, 79195, 99068, 123835, 126712, 158390, 198136, 247670, 316780, 495340, 633560, 990680, 1164049, 2328098, 4656196, 5820245, 8346479, 9312392, 11640490, 16692958, 23280980, 33385916, 41732395, 46561960, 66771832, 83464790, 166929580, 333859160, 392284513, 784569026, 1569138052, 1961422565, 3138276104, 3922845130, 7845690260, 15691380520]

約数ペア:

[(1, 15691380520), (2, 7845690260), (4, 3922845130), (5, 3138276104), (8, 1961422565), (10, 1569138052), (20, 784569026), (40, 392284513), (47, 333859160), (94, 166929580), (188, 83464790), (235, 66771832), (337, 46561960), (376, 41732395), (470, 33385916), (674, 23280980), (940, 16692958), (1348, 11640490), (1685, 9312392), (1880, 8346479), (2696, 5820245), (3370, 4656196), (6740, 2328098), (13480, 1164049), (15839, 990680), (24767, 633560), (31678, 495340), (49534, 316780), (63356, 247670), (79195, 198136), (99068, 158390), (123835, 126712)]