13506780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{32159}}^1$

素因数の和:32178

約数の個数: 48

約数和(自身を含む): 43223040

約数和(自身を除く): 29716260

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, 32159, 64318, 96477, 128636, 160795, 192954, 225113, 321590, 385908, 450226, 482385, 643180, 675339, 900452, 964770, 1125565, 1350678, 1929540, 2251130, 2701356, 3376695, 4502260, 6753390, 13506780]

約数ペア:

[(1, 13506780), (2, 6753390), (3, 4502260), (4, 3376695), (5, 2701356), (6, 2251130), (7, 1929540), (10, 1350678), (12, 1125565), (14, 964770), (15, 900452), (20, 675339), (21, 643180), (28, 482385), (30, 450226), (35, 385908), (42, 321590), (60, 225113), (70, 192954), (84, 160795), (105, 128636), (140, 96477), (210, 64318), (420, 32159)]