72802520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{260009}}^1$

素因数の和:260027

約数の個数: 32

約数和(自身を含む): 187207200

約数和(自身を除く): 114404680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 260009, 520018, 1040036, 1300045, 1820063, 2080072, 2600090, 3640126, 5200180, 7280252, 9100315, 10400360, 14560504, 18200630, 36401260, 72802520]

約数ペア:

[(1, 72802520), (2, 36401260), (4, 18200630), (5, 14560504), (7, 10400360), (8, 9100315), (10, 7280252), (14, 5200180), (20, 3640126), (28, 2600090), (35, 2080072), (40, 1820063), (56, 1300045), (70, 1040036), (140, 520018), (280, 260009)]