1680224000

素因数分解:

$2^8\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1$

素因数の和:628

約数の個数: 288

約数和(自身を含む): 5160494976

約数和(自身を除く): 3480270976

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 112, 125, 128, 130, 140, 160, 175, 182, 200, 208, 224, 250, 256, 260, 280, 320, 325, 350, 364, 400, 416, 448, 455, 500, 520, 560, 577, 640, 650, 700, 728, 800, 832, 875, 896, 910, 1000, 1040, 1120, 1154, 1280, 1300, 1400, 1456, 1600, 1625, 1664, 1750, 1792, 1820, 2000, 2080, 2240, 2275, 2308, 2600, 2800, 2885, 2912, 3200, 3250, 3328, 3500, 3640, 4000, 4039, 4160, 4480, 4550, 4616, 5200, 5600, 5770, 5824, 6400, 6500, 7000, 7280, 7501, 8000, 8078, 8320, 8960, 9100, 9232, 10400, 11200, 11375, 11540, 11648, 13000, 14000, 14425, 14560, 15002, 16000, 16156, 16640, 18200, 18464, 20195, 20800, 22400, 22750, 23080, 23296, 26000, 28000, 28850, 29120, 30004, 32000, 32312, 36400, 36928, 37505, 40390, 41600, 44800, 45500, 46160, 52000, 52507, 56000, 57700, 58240, 60008, 64624, 72125, 72800, 73856, 75010, 80780, 83200, 91000, 92320, 100975, 104000, 105014, 112000, 115400, 116480, 120016, 129248, 144250, 145600, 147712, 150020, 161560, 182000, 184640, 187525, 201950, 208000, 210028, 224000, 230800, 240032, 258496, 262535, 288500, 291200, 300040, 323120, 364000, 369280, 375050, 403900, 416000, 420056, 461600, 480064, 504875, 516992, 525070, 577000, 582400, 600080, 646240, 728000, 738560, 750100, 807800, 840112, 923200, 937625, 960128, 1009750, 1033984, 1050140, 1154000, 1200160, 1292480, 1312675, 1456000, 1500200, 1615600, 1680224, 1846400, 1875250, 1920256, 2019500, 2100280, 2308000, 2400320, 2584960, 2625350, 2912000, 3000400, 3231200, 3360448, 3692800, 3750500, 4039000, 4200560, 4616000, 4800640, 5169920, 5250700, 6000800, 6462400, 6563375, 6720896, 7501000, 8078000, 8401120, 9232000, 9601280, 10501400, 12001600, 12924800, 13126750, 13441792, 15002000, 16156000, 16802240, 18464000, 21002800, 24003200, 25849600, 26253500, 30004000, 32312000, 33604480, 42005600, 48006400, 52507000, 60008000, 64624000, 67208960, 84011200, 105014000, 120016000, 129248000, 168022400, 210028000, 240032000, 336044800, 420056000, 840112000, 1680224000]

約数ペア:

[(1, 1680224000), (2, 840112000), (4, 420056000), (5, 336044800), (7, 240032000), (8, 210028000), (10, 168022400), (13, 129248000), (14, 120016000), (16, 105014000), (20, 84011200), (25, 67208960), (26, 64624000), (28, 60008000), (32, 52507000), (35, 48006400), (40, 42005600), (50, 33604480), (52, 32312000), (56, 30004000), (64, 26253500), (65, 25849600), (70, 24003200), (80, 21002800), (91, 18464000), (100, 16802240), (104, 16156000), (112, 15002000), (125, 13441792), (128, 13126750), (130, 12924800), (140, 12001600), (160, 10501400), (175, 9601280), (182, 9232000), (200, 8401120), (208, 8078000), (224, 7501000), (250, 6720896), (256, 6563375), (260, 6462400), (280, 6000800), (320, 5250700), (325, 5169920), (350, 4800640), (364, 4616000), (400, 4200560), (416, 4039000), (448, 3750500), (455, 3692800), (500, 3360448), (520, 3231200), (560, 3000400), (577, 2912000), (640, 2625350), (650, 2584960), (700, 2400320), (728, 2308000), (800, 2100280), (832, 2019500), (875, 1920256), (896, 1875250), (910, 1846400), (1000, 1680224), (1040, 1615600), (1120, 1500200), (1154, 1456000), (1280, 1312675), (1300, 1292480), (1400, 1200160), (1456, 1154000), (1600, 1050140), (1625, 1033984), (1664, 1009750), (1750, 960128), (1792, 937625), (1820, 923200), (2000, 840112), (2080, 807800), (2240, 750100), (2275, 738560), (2308, 728000), (2600, 646240), (2800, 600080), (2885, 582400), (2912, 577000), (3200, 525070), (3250, 516992), (3328, 504875), (3500, 480064), (3640, 461600), (4000, 420056), (4039, 416000), (4160, 403900), (4480, 375050), (4550, 369280), (4616, 364000), (5200, 323120), (5600, 300040), (5770, 291200), (5824, 288500), (6400, 262535), (6500, 258496), (7000, 240032), (7280, 230800), (7501, 224000), (8000, 210028), (8078, 208000), (8320, 201950), (8960, 187525), (9100, 184640), (9232, 182000), (10400, 161560), (11200, 150020), (11375, 147712), (11540, 145600), (11648, 144250), (13000, 129248), (14000, 120016), (14425, 116480), (14560, 115400), (15002, 112000), (16000, 105014), (16156, 104000), (16640, 100975), (18200, 92320), (18464, 91000), (20195, 83200), (20800, 80780), (22400, 75010), (22750, 73856), (23080, 72800), (23296, 72125), (26000, 64624), (28000, 60008), (28850, 58240), (29120, 57700), (30004, 56000), (32000, 52507), (32312, 52000), (36400, 46160), (36928, 45500), (37505, 44800), (40390, 41600)]