51768780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{123259}}^1$

素因数の和:123278

約数の個数: 48

約数和(自身を含む): 165661440

約数和(自身を除く): 113892660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 123259, 246518, 369777, 493036, 616295, 739554, 862813, 1232590, 1479108, 1725626, 1848885, 2465180, 2588439, 3451252, 3697770, 4314065, 5176878, 7395540, 8628130, 10353756, 12942195, 17256260, 25884390, 51768780]

約数ペア:

[(1, 51768780), (2, 25884390), (3, 17256260), (4, 12942195), (5, 10353756), (6, 8628130), (7, 7395540), (10, 5176878), (12, 4314065), (14, 3697770), (15, 3451252), (20, 2588439), (21, 2465180), (28, 1848885), (30, 1725626), (35, 1479108), (42, 1232590), (60, 862813), (70, 739554), (84, 616295), (105, 493036), (140, 369777), (210, 246518), (420, 123259)]