66995720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3541}}^1$

素因数の和:3606

約数の個数: 64

約数和(自身を含む): 168315840

約数和(自身を除く): 101320120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3541, 3784, 4730, 7082, 9460, 14164, 17705, 18920, 28328, 35410, 38951, 70820, 77902, 141640, 152263, 155804, 194755, 304526, 311608, 389510, 609052, 761315, 779020, 1218104, 1522630, 1558040, 1674893, 3045260, 3349786, 6090520, 6699572, 8374465, 13399144, 16748930, 33497860, 66995720]

約数ペア:

[(1, 66995720), (2, 33497860), (4, 16748930), (5, 13399144), (8, 8374465), (10, 6699572), (11, 6090520), (20, 3349786), (22, 3045260), (40, 1674893), (43, 1558040), (44, 1522630), (55, 1218104), (86, 779020), (88, 761315), (110, 609052), (172, 389510), (215, 311608), (220, 304526), (344, 194755), (430, 155804), (440, 152263), (473, 141640), (860, 77902), (946, 70820), (1720, 38951), (1892, 35410), (2365, 28328), (3541, 18920), (3784, 17705), (4730, 14164), (7082, 9460)]