77975880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{649799}}^1$

素因数の和:649813

約数の個数: 32

約数和(自身を含む): 233928000

約数和(自身を除く): 155952120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 649799, 1299598, 1949397, 2599196, 3248995, 3898794, 5198392, 6497990, 7797588, 9746985, 12995980, 15595176, 19493970, 25991960, 38987940, 77975880]

約数ペア:

[(1, 77975880), (2, 38987940), (3, 25991960), (4, 19493970), (5, 15595176), (6, 12995980), (8, 9746985), (10, 7797588), (12, 6497990), (15, 5198392), (20, 3898794), (24, 3248995), (30, 2599196), (40, 1949397), (60, 1299598), (120, 649799)]