280072800

素因数分解:

$2^5\times 3^2\times 5^2\times 7^1\times {\mathrm{5557}}^1$

素因数の和:5590

約数の個数: 216

約数和(自身を含む): 1128896496

約数和(自身を除く): 848823696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 32, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 96, 100, 105, 112, 120, 126, 140, 144, 150, 160, 168, 175, 180, 200, 210, 224, 225, 240, 252, 280, 288, 300, 315, 336, 350, 360, 400, 420, 450, 480, 504, 525, 560, 600, 630, 672, 700, 720, 800, 840, 900, 1008, 1050, 1120, 1200, 1260, 1400, 1440, 1575, 1680, 1800, 2016, 2100, 2400, 2520, 2800, 3150, 3360, 3600, 4200, 5040, 5557, 5600, 6300, 7200, 8400, 10080, 11114, 12600, 16671, 16800, 22228, 25200, 27785, 33342, 38899, 44456, 50013, 50400, 55570, 66684, 77798, 83355, 88912, 100026, 111140, 116697, 133368, 138925, 155596, 166710, 177824, 194495, 200052, 222280, 233394, 250065, 266736, 277850, 311192, 333420, 350091, 388990, 400104, 416775, 444560, 466788, 500130, 533472, 555700, 583485, 622384, 666840, 700182, 777980, 800208, 833550, 889120, 933576, 972475, 1000260, 1111400, 1166970, 1244768, 1250325, 1333680, 1400364, 1555960, 1600416, 1667100, 1750455, 1867152, 1944950, 2000520, 2222800, 2333940, 2500650, 2667360, 2800728, 2917425, 3111920, 3334200, 3500910, 3734304, 3889900, 4001040, 4445600, 4667880, 5001300, 5601456, 5834850, 6223840, 6668400, 7001820, 7779800, 8002080, 8752275, 9335760, 10002600, 11202912, 11669700, 13336800, 14003640, 15559600, 17504550, 18671520, 20005200, 23339400, 28007280, 31119200, 35009100, 40010400, 46678800, 56014560, 70018200, 93357600, 140036400, 280072800]

約数ペア:

[(1, 280072800), (2, 140036400), (3, 93357600), (4, 70018200), (5, 56014560), (6, 46678800), (7, 40010400), (8, 35009100), (9, 31119200), (10, 28007280), (12, 23339400), (14, 20005200), (15, 18671520), (16, 17504550), (18, 15559600), (20, 14003640), (21, 13336800), (24, 11669700), (25, 11202912), (28, 10002600), (30, 9335760), (32, 8752275), (35, 8002080), (36, 7779800), (40, 7001820), (42, 6668400), (45, 6223840), (48, 5834850), (50, 5601456), (56, 5001300), (60, 4667880), (63, 4445600), (70, 4001040), (72, 3889900), (75, 3734304), (80, 3500910), (84, 3334200), (90, 3111920), (96, 2917425), (100, 2800728), (105, 2667360), (112, 2500650), (120, 2333940), (126, 2222800), (140, 2000520), (144, 1944950), (150, 1867152), (160, 1750455), (168, 1667100), (175, 1600416), (180, 1555960), (200, 1400364), (210, 1333680), (224, 1250325), (225, 1244768), (240, 1166970), (252, 1111400), (280, 1000260), (288, 972475), (300, 933576), (315, 889120), (336, 833550), (350, 800208), (360, 777980), (400, 700182), (420, 666840), (450, 622384), (480, 583485), (504, 555700), (525, 533472), (560, 500130), (600, 466788), (630, 444560), (672, 416775), (700, 400104), (720, 388990), (800, 350091), (840, 333420), (900, 311192), (1008, 277850), (1050, 266736), (1120, 250065), (1200, 233394), (1260, 222280), (1400, 200052), (1440, 194495), (1575, 177824), (1680, 166710), (1800, 155596), (2016, 138925), (2100, 133368), (2400, 116697), (2520, 111140), (2800, 100026), (3150, 88912), (3360, 83355), (3600, 77798), (4200, 66684), (5040, 55570), (5557, 50400), (5600, 50013), (6300, 44456), (7200, 38899), (8400, 33342), (10080, 27785), (11114, 25200), (12600, 22228), (16671, 16800)]