78871890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61141}}^1$

素因数の和:61194

約数の個数: 32

約数和(自身を含む): 193697856

約数和(自身を除く): 114825966

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 61141, 122282, 183423, 305705, 366846, 611410, 917115, 1834230, 2629063, 5258126, 7887189, 13145315, 15774378, 26290630, 39435945, 78871890]

約数ペア:

[(1, 78871890), (2, 39435945), (3, 26290630), (5, 15774378), (6, 13145315), (10, 7887189), (15, 5258126), (30, 2629063), (43, 1834230), (86, 917115), (129, 611410), (215, 366846), (258, 305705), (430, 183423), (645, 122282), (1290, 61141)]