17727780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42209}}^1$

素因数の和:42228

約数の個数: 48

約数和(自身を含む): 56730240

約数和(自身を除く): 39002460

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, 42209, 84418, 126627, 168836, 211045, 253254, 295463, 422090, 506508, 590926, 633135, 844180, 886389, 1181852, 1266270, 1477315, 1772778, 2532540, 2954630, 3545556, 4431945, 5909260, 8863890, 17727780]

約数ペア:

[(1, 17727780), (2, 8863890), (3, 5909260), (4, 4431945), (5, 3545556), (6, 2954630), (7, 2532540), (10, 1772778), (12, 1477315), (14, 1266270), (15, 1181852), (20, 886389), (21, 844180), (28, 633135), (30, 590926), (35, 506508), (42, 422090), (60, 295463), (70, 253254), (84, 211045), (105, 168836), (140, 126627), (210, 84418), (420, 42209)]