76520920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{273289}}^1$

素因数の和:273307

約数の個数: 32

約数和(自身を含む): 196768800

約数和(自身を除く): 120247880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 273289, 546578, 1093156, 1366445, 1913023, 2186312, 2732890, 3826046, 5465780, 7652092, 9565115, 10931560, 15304184, 19130230, 38260460, 76520920]

約数ペア:

[(1, 76520920), (2, 38260460), (4, 19130230), (5, 15304184), (7, 10931560), (8, 9565115), (10, 7652092), (14, 5465780), (20, 3826046), (28, 2732890), (35, 2186312), (40, 1913023), (56, 1366445), (70, 1093156), (140, 546578), (280, 273289)]