81270000

素因数分解:

$2^4\times 3^3\times 5^4\times 7^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 400

約数和(自身を含む): 340890880

約数和(自身を除く): 259620880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 35, 36, 40, 42, 43, 45, 48, 50, 54, 56, 60, 63, 70, 72, 75, 80, 84, 86, 90, 100, 105, 108, 112, 120, 125, 126, 129, 135, 140, 144, 150, 168, 172, 175, 180, 189, 200, 210, 215, 216, 225, 240, 250, 252, 258, 270, 280, 300, 301, 315, 336, 344, 350, 360, 375, 378, 387, 400, 420, 430, 432, 450, 500, 504, 516, 525, 540, 560, 600, 602, 625, 630, 645, 675, 688, 700, 720, 750, 756, 774, 840, 860, 875, 900, 903, 945, 1000, 1008, 1032, 1050, 1075, 1080, 1125, 1161, 1200, 1204, 1250, 1260, 1290, 1350, 1400, 1500, 1505, 1512, 1548, 1575, 1680, 1720, 1750, 1800, 1806, 1875, 1890, 1935, 2000, 2064, 2100, 2150, 2160, 2250, 2322, 2408, 2500, 2520, 2580, 2625, 2700, 2709, 2800, 3000, 3010, 3024, 3096, 3150, 3225, 3375, 3440, 3500, 3600, 3612, 3750, 3780, 3870, 4200, 4300, 4375, 4500, 4515, 4644, 4725, 4816, 5000, 5040, 5160, 5250, 5375, 5400, 5418, 5625, 5805, 6000, 6020, 6192, 6300, 6450, 6750, 7000, 7224, 7500, 7525, 7560, 7740, 7875, 8127, 8400, 8600, 8750, 9000, 9030, 9288, 9450, 9675, 10000, 10320, 10500, 10750, 10800, 10836, 11250, 11610, 12040, 12600, 12900, 13125, 13500, 13545, 14000, 14448, 15000, 15050, 15120, 15480, 15750, 16125, 16254, 16875, 17200, 17500, 18000, 18060, 18576, 18900, 19350, 21000, 21500, 21672, 22500, 22575, 23220, 23625, 24080, 25200, 25800, 26250, 26875, 27000, 27090, 29025, 30000, 30100, 30960, 31500, 32250, 32508, 33750, 35000, 36120, 37625, 37800, 38700, 39375, 40635, 42000, 43000, 43344, 45000, 45150, 46440, 47250, 48375, 51600, 52500, 53750, 54000, 54180, 58050, 60200, 63000, 64500, 65016, 67500, 67725, 70000, 72240, 75250, 75600, 77400, 78750, 80625, 81270, 86000, 90000, 90300, 92880, 94500, 96750, 105000, 107500, 108360, 112875, 116100, 118125, 120400, 126000, 129000, 130032, 135000, 135450, 145125, 150500, 154800, 157500, 161250, 162540, 180600, 188125, 189000, 193500, 203175, 210000, 215000, 216720, 225750, 232200, 236250, 241875, 258000, 270000, 270900, 290250, 301000, 315000, 322500, 325080, 338625, 361200, 376250, 378000, 387000, 406350, 430000, 451500, 464400, 472500, 483750, 541800, 564375, 580500, 602000, 630000, 645000, 650160, 677250, 725625, 752500, 774000, 812700, 903000, 945000, 967500, 1015875, 1083600, 1128750, 1161000, 1290000, 1354500, 1451250, 1505000, 1625400, 1693125, 1806000, 1890000, 1935000, 2031750, 2257500, 2322000, 2709000, 2902500, 3010000, 3250800, 3386250, 3870000, 4063500, 4515000, 5079375, 5418000, 5805000, 6772500, 8127000, 9030000, 10158750, 11610000, 13545000, 16254000, 20317500, 27090000, 40635000, 81270000]

約数ペア:

[(1, 81270000), (2, 40635000), (3, 27090000), (4, 20317500), (5, 16254000), (6, 13545000), (7, 11610000), (8, 10158750), (9, 9030000), (10, 8127000), (12, 6772500), (14, 5805000), (15, 5418000), (16, 5079375), (18, 4515000), (20, 4063500), (21, 3870000), (24, 3386250), (25, 3250800), (27, 3010000), (28, 2902500), (30, 2709000), (35, 2322000), (36, 2257500), (40, 2031750), (42, 1935000), (43, 1890000), (45, 1806000), (48, 1693125), (50, 1625400), (54, 1505000), (56, 1451250), (60, 1354500), (63, 1290000), (70, 1161000), (72, 1128750), (75, 1083600), (80, 1015875), (84, 967500), (86, 945000), (90, 903000), (100, 812700), (105, 774000), (108, 752500), (112, 725625), (120, 677250), (125, 650160), (126, 645000), (129, 630000), (135, 602000), (140, 580500), (144, 564375), (150, 541800), (168, 483750), (172, 472500), (175, 464400), (180, 451500), (189, 430000), (200, 406350), (210, 387000), (215, 378000), (216, 376250), (225, 361200), (240, 338625), (250, 325080), (252, 322500), (258, 315000), (270, 301000), (280, 290250), (300, 270900), (301, 270000), (315, 258000), (336, 241875), (344, 236250), (350, 232200), (360, 225750), (375, 216720), (378, 215000), (387, 210000), (400, 203175), (420, 193500), (430, 189000), (432, 188125), (450, 180600), (500, 162540), (504, 161250), (516, 157500), (525, 154800), (540, 150500), (560, 145125), (600, 135450), (602, 135000), (625, 130032), (630, 129000), (645, 126000), (675, 120400), (688, 118125), (700, 116100), (720, 112875), (750, 108360), (756, 107500), (774, 105000), (840, 96750), (860, 94500), (875, 92880), (900, 90300), (903, 90000), (945, 86000), (1000, 81270), (1008, 80625), (1032, 78750), (1050, 77400), (1075, 75600), (1080, 75250), (1125, 72240), (1161, 70000), (1200, 67725), (1204, 67500), (1250, 65016), (1260, 64500), (1290, 63000), (1350, 60200), (1400, 58050), (1500, 54180), (1505, 54000), (1512, 53750), (1548, 52500), (1575, 51600), (1680, 48375), (1720, 47250), (1750, 46440), (1800, 45150), (1806, 45000), (1875, 43344), (1890, 43000), (1935, 42000), (2000, 40635), (2064, 39375), (2100, 38700), (2150, 37800), (2160, 37625), (2250, 36120), (2322, 35000), (2408, 33750), (2500, 32508), (2520, 32250), (2580, 31500), (2625, 30960), (2700, 30100), (2709, 30000), (2800, 29025), (3000, 27090), (3010, 27000), (3024, 26875), (3096, 26250), (3150, 25800), (3225, 25200), (3375, 24080), (3440, 23625), (3500, 23220), (3600, 22575), (3612, 22500), (3750, 21672), (3780, 21500), (3870, 21000), (4200, 19350), (4300, 18900), (4375, 18576), (4500, 18060), (4515, 18000), (4644, 17500), (4725, 17200), (4816, 16875), (5000, 16254), (5040, 16125), (5160, 15750), (5250, 15480), (5375, 15120), (5400, 15050), (5418, 15000), (5625, 14448), (5805, 14000), (6000, 13545), (6020, 13500), (6192, 13125), (6300, 12900), (6450, 12600), (6750, 12040), (7000, 11610), (7224, 11250), (7500, 10836), (7525, 10800), (7560, 10750), (7740, 10500), (7875, 10320), (8127, 10000), (8400, 9675), (8600, 9450), (8750, 9288), (9000, 9030)]