205182840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3511}}^1$

素因数の和:4012

約数の個数: 64

約数和(自身を含む): 616988160

約数和(自身を除く): 411805320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 487, 974, 1461, 1948, 2435, 2922, 3511, 3896, 4870, 5844, 7022, 7305, 9740, 10533, 11688, 14044, 14610, 17555, 19480, 21066, 28088, 29220, 35110, 42132, 52665, 58440, 70220, 84264, 105330, 140440, 210660, 421320, 1709857, 3419714, 5129571, 6839428, 8549285, 10259142, 13678856, 17098570, 20518284, 25647855, 34197140, 41036568, 51295710, 68394280, 102591420, 205182840]

約数ペア:

[(1, 205182840), (2, 102591420), (3, 68394280), (4, 51295710), (5, 41036568), (6, 34197140), (8, 25647855), (10, 20518284), (12, 17098570), (15, 13678856), (20, 10259142), (24, 8549285), (30, 6839428), (40, 5129571), (60, 3419714), (120, 1709857), (487, 421320), (974, 210660), (1461, 140440), (1948, 105330), (2435, 84264), (2922, 70220), (3511, 58440), (3896, 52665), (4870, 42132), (5844, 35110), (7022, 29220), (7305, 28088), (9740, 21066), (10533, 19480), (11688, 17555), (14044, 14610)]