15207780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{36209}}^1$

素因数の和:36228

約数の個数: 48

約数和(自身を含む): 48666240

約数和(自身を除く): 33458460

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, 36209, 72418, 108627, 144836, 181045, 217254, 253463, 362090, 434508, 506926, 543135, 724180, 760389, 1013852, 1086270, 1267315, 1520778, 2172540, 2534630, 3041556, 3801945, 5069260, 7603890, 15207780]

約数ペア:

[(1, 15207780), (2, 7603890), (3, 5069260), (4, 3801945), (5, 3041556), (6, 2534630), (7, 2172540), (10, 1520778), (12, 1267315), (14, 1086270), (15, 1013852), (20, 760389), (21, 724180), (28, 543135), (30, 506926), (35, 434508), (42, 362090), (60, 253463), (70, 217254), (84, 181045), (105, 144836), (140, 108627), (210, 72418), (420, 36209)]