138512820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{7879}}^1$

素因数の和:8184

約数の個数: 48

約数和(自身を含む): 389208960

約数和(自身を除く): 250696140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 293, 586, 879, 1172, 1465, 1758, 2930, 3516, 4395, 5860, 7879, 8790, 15758, 17580, 23637, 31516, 39395, 47274, 78790, 94548, 118185, 157580, 236370, 472740, 2308547, 4617094, 6925641, 9234188, 11542735, 13851282, 23085470, 27702564, 34628205, 46170940, 69256410, 138512820]

約数ペア:

[(1, 138512820), (2, 69256410), (3, 46170940), (4, 34628205), (5, 27702564), (6, 23085470), (10, 13851282), (12, 11542735), (15, 9234188), (20, 6925641), (30, 4617094), (60, 2308547), (293, 472740), (586, 236370), (879, 157580), (1172, 118185), (1465, 94548), (1758, 78790), (2930, 47274), (3516, 39395), (4395, 31516), (5860, 23637), (7879, 17580), (8790, 15758)]