55422780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131959}}^1$

素因数の和:131978

約数の個数: 48

約数和(自身を含む): 177354240

約数和(自身を除く): 121931460

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, 131959, 263918, 395877, 527836, 659795, 791754, 923713, 1319590, 1583508, 1847426, 1979385, 2639180, 2771139, 3694852, 3958770, 4618565, 5542278, 7917540, 9237130, 11084556, 13855695, 18474260, 27711390, 55422780]

約数ペア:

[(1, 55422780), (2, 27711390), (3, 18474260), (4, 13855695), (5, 11084556), (6, 9237130), (7, 7917540), (10, 5542278), (12, 4618565), (14, 3958770), (15, 3694852), (20, 2771139), (21, 2639180), (28, 1979385), (30, 1847426), (35, 1583508), (42, 1319590), (60, 923713), (70, 791754), (84, 659795), (105, 527836), (140, 395877), (210, 263918), (420, 131959)]