990596960

素因数分解:

$2^5\times 5^1\times {\mathrm{487}}^1\times {\mathrm{12713}}^1$

素因数の和:13215

約数の個数: 48

約数和(自身を含む): 2345275296

約数和(自身を除く): 1354678336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 487, 974, 1948, 2435, 3896, 4870, 7792, 9740, 12713, 15584, 19480, 25426, 38960, 50852, 63565, 77920, 101704, 127130, 203408, 254260, 406816, 508520, 1017040, 2034080, 6191231, 12382462, 24764924, 30956155, 49529848, 61912310, 99059696, 123824620, 198119392, 247649240, 495298480, 990596960]

約数ペア:

[(1, 990596960), (2, 495298480), (4, 247649240), (5, 198119392), (8, 123824620), (10, 99059696), (16, 61912310), (20, 49529848), (32, 30956155), (40, 24764924), (80, 12382462), (160, 6191231), (487, 2034080), (974, 1017040), (1948, 508520), (2435, 406816), (3896, 254260), (4870, 203408), (7792, 127130), (9740, 101704), (12713, 77920), (15584, 63565), (19480, 50852), (25426, 38960)]