256881000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{85627}}^1$

素因数の和:85651

約数の個数: 64

約数和(自身を含む): 801478080

約数和(自身を除く): 544597080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 85627, 171254, 256881, 342508, 428135, 513762, 685016, 856270, 1027524, 1284405, 1712540, 2055048, 2140675, 2568810, 3425080, 4281350, 5137620, 6422025, 8562700, 10275240, 10703375, 12844050, 17125400, 21406750, 25688100, 32110125, 42813500, 51376200, 64220250, 85627000, 128440500, 256881000]

約数ペア:

[(1, 256881000), (2, 128440500), (3, 85627000), (4, 64220250), (5, 51376200), (6, 42813500), (8, 32110125), (10, 25688100), (12, 21406750), (15, 17125400), (20, 12844050), (24, 10703375), (25, 10275240), (30, 8562700), (40, 6422025), (50, 5137620), (60, 4281350), (75, 3425080), (100, 2568810), (120, 2140675), (125, 2055048), (150, 1712540), (200, 1284405), (250, 1027524), (300, 856270), (375, 685016), (500, 513762), (600, 428135), (750, 342508), (1000, 256881), (1500, 171254), (3000, 85627)]