78690840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{655757}}^1$

素因数の和:655771

約数の個数: 32

約数和(自身を含む): 236072880

約数和(自身を除く): 157382040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 655757, 1311514, 1967271, 2623028, 3278785, 3934542, 5246056, 6557570, 7869084, 9836355, 13115140, 15738168, 19672710, 26230280, 39345420, 78690840]

約数ペア:

[(1, 78690840), (2, 39345420), (3, 26230280), (4, 19672710), (5, 15738168), (6, 13115140), (8, 9836355), (10, 7869084), (12, 6557570), (15, 5246056), (20, 3934542), (24, 3278785), (30, 2623028), (40, 1967271), (60, 1311514), (120, 655757)]