131220000

素因数分解:

$2^5\times 3^8\times 5^4$

素因数の和:54

約数の個数: 270

約数和(自身を含む): 484206723

約数和(自身を除く): 352986723

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 96, 100, 108, 120, 125, 135, 144, 150, 160, 162, 180, 200, 216, 225, 240, 243, 250, 270, 288, 300, 324, 360, 375, 400, 405, 432, 450, 480, 486, 500, 540, 600, 625, 648, 675, 720, 729, 750, 800, 810, 864, 900, 972, 1000, 1080, 1125, 1200, 1215, 1250, 1296, 1350, 1440, 1458, 1500, 1620, 1800, 1875, 1944, 2000, 2025, 2160, 2187, 2250, 2400, 2430, 2500, 2592, 2700, 2916, 3000, 3240, 3375, 3600, 3645, 3750, 3888, 4000, 4050, 4320, 4374, 4500, 4860, 5000, 5400, 5625, 5832, 6000, 6075, 6480, 6561, 6750, 7200, 7290, 7500, 7776, 8100, 8748, 9000, 9720, 10000, 10125, 10800, 10935, 11250, 11664, 12000, 12150, 12960, 13122, 13500, 14580, 15000, 16200, 16875, 17496, 18000, 18225, 19440, 20000, 20250, 21600, 21870, 22500, 23328, 24300, 26244, 27000, 29160, 30000, 30375, 32400, 32805, 33750, 34992, 36000, 36450, 38880, 40500, 43740, 45000, 48600, 50625, 52488, 54000, 54675, 58320, 60000, 60750, 64800, 65610, 67500, 69984, 72900, 81000, 87480, 90000, 91125, 97200, 101250, 104976, 108000, 109350, 116640, 121500, 131220, 135000, 145800, 151875, 162000, 164025, 174960, 180000, 182250, 194400, 202500, 209952, 218700, 243000, 262440, 270000, 273375, 291600, 303750, 324000, 328050, 349920, 364500, 405000, 437400, 455625, 486000, 524880, 540000, 546750, 583200, 607500, 656100, 729000, 810000, 820125, 874800, 911250, 972000, 1049760, 1093500, 1215000, 1312200, 1366875, 1458000, 1620000, 1640250, 1749600, 1822500, 2187000, 2430000, 2624400, 2733750, 2916000, 3280500, 3645000, 4100625, 4374000, 4860000, 5248800, 5467500, 6561000, 7290000, 8201250, 8748000, 10935000, 13122000, 14580000, 16402500, 21870000, 26244000, 32805000, 43740000, 65610000, 131220000]

約数ペア:

[(1, 131220000), (2, 65610000), (3, 43740000), (4, 32805000), (5, 26244000), (6, 21870000), (8, 16402500), (9, 14580000), (10, 13122000), (12, 10935000), (15, 8748000), (16, 8201250), (18, 7290000), (20, 6561000), (24, 5467500), (25, 5248800), (27, 4860000), (30, 4374000), (32, 4100625), (36, 3645000), (40, 3280500), (45, 2916000), (48, 2733750), (50, 2624400), (54, 2430000), (60, 2187000), (72, 1822500), (75, 1749600), (80, 1640250), (81, 1620000), (90, 1458000), (96, 1366875), (100, 1312200), (108, 1215000), (120, 1093500), (125, 1049760), (135, 972000), (144, 911250), (150, 874800), (160, 820125), (162, 810000), (180, 729000), (200, 656100), (216, 607500), (225, 583200), (240, 546750), (243, 540000), (250, 524880), (270, 486000), (288, 455625), (300, 437400), (324, 405000), (360, 364500), (375, 349920), (400, 328050), (405, 324000), (432, 303750), (450, 291600), (480, 273375), (486, 270000), (500, 262440), (540, 243000), (600, 218700), (625, 209952), (648, 202500), (675, 194400), (720, 182250), (729, 180000), (750, 174960), (800, 164025), (810, 162000), (864, 151875), (900, 145800), (972, 135000), (1000, 131220), (1080, 121500), (1125, 116640), (1200, 109350), (1215, 108000), (1250, 104976), (1296, 101250), (1350, 97200), (1440, 91125), (1458, 90000), (1500, 87480), (1620, 81000), (1800, 72900), (1875, 69984), (1944, 67500), (2000, 65610), (2025, 64800), (2160, 60750), (2187, 60000), (2250, 58320), (2400, 54675), (2430, 54000), (2500, 52488), (2592, 50625), (2700, 48600), (2916, 45000), (3000, 43740), (3240, 40500), (3375, 38880), (3600, 36450), (3645, 36000), (3750, 34992), (3888, 33750), (4000, 32805), (4050, 32400), (4320, 30375), (4374, 30000), (4500, 29160), (4860, 27000), (5000, 26244), (5400, 24300), (5625, 23328), (5832, 22500), (6000, 21870), (6075, 21600), (6480, 20250), (6561, 20000), (6750, 19440), (7200, 18225), (7290, 18000), (7500, 17496), (7776, 16875), (8100, 16200), (8748, 15000), (9000, 14580), (9720, 13500), (10000, 13122), (10125, 12960), (10800, 12150), (10935, 12000), (11250, 11664)]