7212520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{25759}}^1$

素因数の和:25777

約数の個数: 32

約数和(自身を含む): 18547200

約数和(自身を除く): 11334680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 25759, 51518, 103036, 128795, 180313, 206072, 257590, 360626, 515180, 721252, 901565, 1030360, 1442504, 1803130, 3606260, 7212520]

約数ペア:

[(1, 7212520), (2, 3606260), (4, 1803130), (5, 1442504), (7, 1030360), (8, 901565), (10, 721252), (14, 515180), (20, 360626), (28, 257590), (35, 206072), (40, 180313), (56, 128795), (70, 103036), (140, 51518), (280, 25759)]