2187000

素因数分解:

$2^3\times 3^7\times 5^3$

素因数の和:42

約数の個数: 128

約数和(自身を含む): 7675200

約数和(自身を除く): 5488200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 125, 135, 150, 162, 180, 200, 216, 225, 243, 250, 270, 300, 324, 360, 375, 405, 450, 486, 500, 540, 600, 648, 675, 729, 750, 810, 900, 972, 1000, 1080, 1125, 1215, 1350, 1458, 1500, 1620, 1800, 1944, 2025, 2187, 2250, 2430, 2700, 2916, 3000, 3240, 3375, 3645, 4050, 4374, 4500, 4860, 5400, 5832, 6075, 6750, 7290, 8100, 8748, 9000, 9720, 10125, 10935, 12150, 13500, 14580, 16200, 17496, 18225, 20250, 21870, 24300, 27000, 29160, 30375, 36450, 40500, 43740, 48600, 54675, 60750, 72900, 81000, 87480, 91125, 109350, 121500, 145800, 182250, 218700, 243000, 273375, 364500, 437400, 546750, 729000, 1093500, 2187000]

約数ペア:

[(1, 2187000), (2, 1093500), (3, 729000), (4, 546750), (5, 437400), (6, 364500), (8, 273375), (9, 243000), (10, 218700), (12, 182250), (15, 145800), (18, 121500), (20, 109350), (24, 91125), (25, 87480), (27, 81000), (30, 72900), (36, 60750), (40, 54675), (45, 48600), (50, 43740), (54, 40500), (60, 36450), (72, 30375), (75, 29160), (81, 27000), (90, 24300), (100, 21870), (108, 20250), (120, 18225), (125, 17496), (135, 16200), (150, 14580), (162, 13500), (180, 12150), (200, 10935), (216, 10125), (225, 9720), (243, 9000), (250, 8748), (270, 8100), (300, 7290), (324, 6750), (360, 6075), (375, 5832), (405, 5400), (450, 4860), (486, 4500), (500, 4374), (540, 4050), (600, 3645), (648, 3375), (675, 3240), (729, 3000), (750, 2916), (810, 2700), (900, 2430), (972, 2250), (1000, 2187), (1080, 2025), (1125, 1944), (1215, 1800), (1350, 1620), (1458, 1500)]