78870840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{657257}}^1$

素因数の和:657271

約数の個数: 32

約数和(自身を含む): 236612880

約数和(自身を除く): 157742040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 657257, 1314514, 1971771, 2629028, 3286285, 3943542, 5258056, 6572570, 7887084, 9858855, 13145140, 15774168, 19717710, 26290280, 39435420, 78870840]

約数ペア:

[(1, 78870840), (2, 39435420), (3, 26290280), (4, 19717710), (5, 15774168), (6, 13145140), (8, 9858855), (10, 7887084), (12, 6572570), (15, 5258056), (20, 3943542), (24, 3286285), (30, 2629028), (40, 1971771), (60, 1314514), (120, 657257)]