211548780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{391757}}^1$

素因数の和:391775

約数の個数: 48

約数和(自身を含む): 658153440

約数和(自身を除く): 446604660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 391757, 783514, 1175271, 1567028, 1958785, 2350542, 3525813, 3917570, 4701084, 5876355, 7051626, 7835140, 10577439, 11752710, 14103252, 17629065, 21154878, 23505420, 35258130, 42309756, 52887195, 70516260, 105774390, 211548780]

約数ペア:

[(1, 211548780), (2, 105774390), (3, 70516260), (4, 52887195), (5, 42309756), (6, 35258130), (9, 23505420), (10, 21154878), (12, 17629065), (15, 14103252), (18, 11752710), (20, 10577439), (27, 7835140), (30, 7051626), (36, 5876355), (45, 4701084), (54, 3917570), (60, 3525813), (90, 2350542), (108, 1958785), (135, 1567028), (180, 1175271), (270, 783514), (540, 391757)]