38628840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{661}}^1$

素因数の和:1162

約数の個数: 64

約数和(自身を含む): 116300160

約数和(自身を除く): 77671320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 487, 661, 974, 1322, 1461, 1948, 1983, 2435, 2644, 2922, 3305, 3896, 3966, 4870, 5288, 5844, 6610, 7305, 7932, 9740, 9915, 11688, 13220, 14610, 15864, 19480, 19830, 26440, 29220, 39660, 58440, 79320, 321907, 643814, 965721, 1287628, 1609535, 1931442, 2575256, 3219070, 3862884, 4828605, 6438140, 7725768, 9657210, 12876280, 19314420, 38628840]

約数ペア:

[(1, 38628840), (2, 19314420), (3, 12876280), (4, 9657210), (5, 7725768), (6, 6438140), (8, 4828605), (10, 3862884), (12, 3219070), (15, 2575256), (20, 1931442), (24, 1609535), (30, 1287628), (40, 965721), (60, 643814), (120, 321907), (487, 79320), (661, 58440), (974, 39660), (1322, 29220), (1461, 26440), (1948, 19830), (1983, 19480), (2435, 15864), (2644, 14610), (2922, 13220), (3305, 11688), (3896, 9915), (3966, 9740), (4870, 7932), (5288, 7305), (5844, 6610)]