261240000

素因数分解:

$2^6\times 3^1\times 5^4\times 7^1\times {\mathrm{311}}^1$

素因数の和:353

約数の個数: 280

約数和(自身を含む): 990283008

約数和(自身を除く): 729043008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 125, 140, 150, 160, 168, 175, 192, 200, 210, 224, 240, 250, 280, 300, 311, 320, 336, 350, 375, 400, 420, 448, 480, 500, 525, 560, 600, 622, 625, 672, 700, 750, 800, 840, 875, 933, 960, 1000, 1050, 1120, 1200, 1244, 1250, 1344, 1400, 1500, 1555, 1600, 1680, 1750, 1866, 1875, 2000, 2100, 2177, 2240, 2400, 2488, 2500, 2625, 2800, 3000, 3110, 3360, 3500, 3732, 3750, 4000, 4200, 4354, 4375, 4665, 4800, 4976, 5000, 5250, 5600, 6000, 6220, 6531, 6720, 7000, 7464, 7500, 7775, 8000, 8400, 8708, 8750, 9330, 9952, 10000, 10500, 10885, 11200, 12000, 12440, 13062, 13125, 14000, 14928, 15000, 15550, 16800, 17416, 17500, 18660, 19904, 20000, 21000, 21770, 23325, 24000, 24880, 26124, 26250, 28000, 29856, 30000, 31100, 32655, 33600, 34832, 35000, 37320, 38875, 40000, 42000, 43540, 46650, 49760, 52248, 52500, 54425, 56000, 59712, 60000, 62200, 65310, 69664, 70000, 74640, 77750, 84000, 87080, 93300, 99520, 104496, 105000, 108850, 116625, 120000, 124400, 130620, 139328, 140000, 149280, 155500, 163275, 168000, 174160, 186600, 194375, 208992, 210000, 217700, 233250, 248800, 261240, 272125, 280000, 298560, 311000, 326550, 348320, 373200, 388750, 417984, 420000, 435400, 466500, 497600, 522480, 544250, 583125, 622000, 653100, 696640, 746400, 777500, 816375, 840000, 870800, 933000, 1044960, 1088500, 1166250, 1244000, 1306200, 1360625, 1492800, 1555000, 1632750, 1741600, 1866000, 2089920, 2177000, 2332500, 2488000, 2612400, 2721250, 3110000, 3265500, 3483200, 3732000, 4081875, 4354000, 4665000, 5224800, 5442500, 6220000, 6531000, 7464000, 8163750, 8708000, 9330000, 10449600, 10885000, 12440000, 13062000, 16327500, 17416000, 18660000, 21770000, 26124000, 32655000, 37320000, 43540000, 52248000, 65310000, 87080000, 130620000, 261240000]

約数ペア:

[(1, 261240000), (2, 130620000), (3, 87080000), (4, 65310000), (5, 52248000), (6, 43540000), (7, 37320000), (8, 32655000), (10, 26124000), (12, 21770000), (14, 18660000), (15, 17416000), (16, 16327500), (20, 13062000), (21, 12440000), (24, 10885000), (25, 10449600), (28, 9330000), (30, 8708000), (32, 8163750), (35, 7464000), (40, 6531000), (42, 6220000), (48, 5442500), (50, 5224800), (56, 4665000), (60, 4354000), (64, 4081875), (70, 3732000), (75, 3483200), (80, 3265500), (84, 3110000), (96, 2721250), (100, 2612400), (105, 2488000), (112, 2332500), (120, 2177000), (125, 2089920), (140, 1866000), (150, 1741600), (160, 1632750), (168, 1555000), (175, 1492800), (192, 1360625), (200, 1306200), (210, 1244000), (224, 1166250), (240, 1088500), (250, 1044960), (280, 933000), (300, 870800), (311, 840000), (320, 816375), (336, 777500), (350, 746400), (375, 696640), (400, 653100), (420, 622000), (448, 583125), (480, 544250), (500, 522480), (525, 497600), (560, 466500), (600, 435400), (622, 420000), (625, 417984), (672, 388750), (700, 373200), (750, 348320), (800, 326550), (840, 311000), (875, 298560), (933, 280000), (960, 272125), (1000, 261240), (1050, 248800), (1120, 233250), (1200, 217700), (1244, 210000), (1250, 208992), (1344, 194375), (1400, 186600), (1500, 174160), (1555, 168000), (1600, 163275), (1680, 155500), (1750, 149280), (1866, 140000), (1875, 139328), (2000, 130620), (2100, 124400), (2177, 120000), (2240, 116625), (2400, 108850), (2488, 105000), (2500, 104496), (2625, 99520), (2800, 93300), (3000, 87080), (3110, 84000), (3360, 77750), (3500, 74640), (3732, 70000), (3750, 69664), (4000, 65310), (4200, 62200), (4354, 60000), (4375, 59712), (4665, 56000), (4800, 54425), (4976, 52500), (5000, 52248), (5250, 49760), (5600, 46650), (6000, 43540), (6220, 42000), (6531, 40000), (6720, 38875), (7000, 37320), (7464, 35000), (7500, 34832), (7775, 33600), (8000, 32655), (8400, 31100), (8708, 30000), (8750, 29856), (9330, 28000), (9952, 26250), (10000, 26124), (10500, 24880), (10885, 24000), (11200, 23325), (12000, 21770), (12440, 21000), (13062, 20000), (13125, 19904), (14000, 18660), (14928, 17500), (15000, 17416), (15550, 16800)]