161504960

素因数分解:

$2^6\times 5^1\times {\mathrm{569}}^1\times {\mathrm{887}}^1$

素因数の和:1473

約数の個数: 56

約数和(自身を含む): 385693920

約数和(自身を除く): 224188960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 569, 887, 1138, 1774, 2276, 2845, 3548, 4435, 4552, 5690, 7096, 8870, 9104, 11380, 14192, 17740, 18208, 22760, 28384, 35480, 36416, 45520, 56768, 70960, 91040, 141920, 182080, 283840, 504703, 1009406, 2018812, 2523515, 4037624, 5047030, 8075248, 10094060, 16150496, 20188120, 32300992, 40376240, 80752480, 161504960]

約数ペア:

[(1, 161504960), (2, 80752480), (4, 40376240), (5, 32300992), (8, 20188120), (10, 16150496), (16, 10094060), (20, 8075248), (32, 5047030), (40, 4037624), (64, 2523515), (80, 2018812), (160, 1009406), (320, 504703), (569, 283840), (887, 182080), (1138, 141920), (1774, 91040), (2276, 70960), (2845, 56768), (3548, 45520), (4435, 36416), (4552, 35480), (5690, 28384), (7096, 22760), (8870, 18208), (9104, 17740), (11380, 14192)]