156865720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8291}}^1$

素因数の和:8356

約数の個数: 64

約数和(自身を含む): 394035840

約数和(自身を除く): 237170120

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, 3784, 4730, 8291, 9460, 16582, 18920, 33164, 41455, 66328, 82910, 91201, 165820, 182402, 331640, 356513, 364804, 456005, 713026, 729608, 912010, 1426052, 1782565, 1824020, 2852104, 3565130, 3648040, 3921643, 7130260, 7843286, 14260520, 15686572, 19608215, 31373144, 39216430, 78432860, 156865720]

約数ペア:

[(1, 156865720), (2, 78432860), (4, 39216430), (5, 31373144), (8, 19608215), (10, 15686572), (11, 14260520), (20, 7843286), (22, 7130260), (40, 3921643), (43, 3648040), (44, 3565130), (55, 2852104), (86, 1824020), (88, 1782565), (110, 1426052), (172, 912010), (215, 729608), (220, 713026), (344, 456005), (430, 364804), (440, 356513), (473, 331640), (860, 182402), (946, 165820), (1720, 91201), (1892, 82910), (2365, 66328), (3784, 41455), (4730, 33164), (8291, 18920), (9460, 16582)]