61706820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{146921}}^1$

素因数の和:146940

約数の個数: 48

約数和(自身を含む): 197463168

約数和(自身を除く): 135756348

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, 146921, 293842, 440763, 587684, 734605, 881526, 1028447, 1469210, 1763052, 2056894, 2203815, 2938420, 3085341, 4113788, 4407630, 5142235, 6170682, 8815260, 10284470, 12341364, 15426705, 20568940, 30853410, 61706820]

約数ペア:

[(1, 61706820), (2, 30853410), (3, 20568940), (4, 15426705), (5, 12341364), (6, 10284470), (7, 8815260), (10, 6170682), (12, 5142235), (14, 4407630), (15, 4113788), (20, 3085341), (21, 2938420), (28, 2203815), (30, 2056894), (35, 1763052), (42, 1469210), (60, 1028447), (70, 881526), (84, 734605), (105, 587684), (140, 440763), (210, 293842), (420, 146921)]