165147780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{393209}}^1$

素因数の和:393228

約数の個数: 48

約数和(自身を含む): 528474240

約数和(自身を除く): 363326460

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, 393209, 786418, 1179627, 1572836, 1966045, 2359254, 2752463, 3932090, 4718508, 5504926, 5898135, 7864180, 8257389, 11009852, 11796270, 13762315, 16514778, 23592540, 27524630, 33029556, 41286945, 55049260, 82573890, 165147780]

約数ペア:

[(1, 165147780), (2, 82573890), (3, 55049260), (4, 41286945), (5, 33029556), (6, 27524630), (7, 23592540), (10, 16514778), (12, 13762315), (14, 11796270), (15, 11009852), (20, 8257389), (21, 7864180), (28, 5898135), (30, 5504926), (35, 4718508), (42, 3932090), (60, 2752463), (70, 2359254), (84, 1966045), (105, 1572836), (140, 1179627), (210, 786418), (420, 393209)]