56813820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{135271}}^1$

素因数の和:135290

約数の個数: 48

約数和(自身を含む): 181805568

約数和(自身を除く): 124991748

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, 135271, 270542, 405813, 541084, 676355, 811626, 946897, 1352710, 1623252, 1893794, 2029065, 2705420, 2840691, 3787588, 4058130, 4734485, 5681382, 8116260, 9468970, 11362764, 14203455, 18937940, 28406910, 56813820]

約数ペア:

[(1, 56813820), (2, 28406910), (3, 18937940), (4, 14203455), (5, 11362764), (6, 9468970), (7, 8116260), (10, 5681382), (12, 4734485), (14, 4058130), (15, 3787588), (20, 2840691), (21, 2705420), (28, 2029065), (30, 1893794), (35, 1623252), (42, 1352710), (60, 946897), (70, 811626), (84, 676355), (105, 541084), (140, 405813), (210, 270542), (420, 135271)]