64611680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{57689}}^1$

素因数の和:57711

約数の個数: 48

約数和(自身を含む): 174454560

約数和(自身を除く): 109842880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 57689, 115378, 230756, 288445, 403823, 461512, 576890, 807646, 923024, 1153780, 1615292, 1846048, 2019115, 2307560, 3230584, 4038230, 4615120, 6461168, 8076460, 9230240, 12922336, 16152920, 32305840, 64611680]

約数ペア:

[(1, 64611680), (2, 32305840), (4, 16152920), (5, 12922336), (7, 9230240), (8, 8076460), (10, 6461168), (14, 4615120), (16, 4038230), (20, 3230584), (28, 2307560), (32, 2019115), (35, 1846048), (40, 1615292), (56, 1153780), (70, 923024), (80, 807646), (112, 576890), (140, 461512), (160, 403823), (224, 288445), (280, 230756), (560, 115378), (1120, 57689)]