280980000

素因数分解:

$2^5\times 3^2\times 5^4\times 7^1\times {\mathrm{223}}^1$

素因数の和:266

約数の個数: 360

約数和(自身を含む): 1146233088

約数和(自身を除く): 865253088

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, 125, 126, 140, 144, 150, 160, 168, 175, 180, 200, 210, 223, 224, 225, 240, 250, 252, 280, 288, 300, 315, 336, 350, 360, 375, 400, 420, 446, 450, 480, 500, 504, 525, 560, 600, 625, 630, 669, 672, 700, 720, 750, 800, 840, 875, 892, 900, 1000, 1008, 1050, 1115, 1120, 1125, 1200, 1250, 1260, 1338, 1400, 1440, 1500, 1561, 1575, 1680, 1750, 1784, 1800, 1875, 2000, 2007, 2016, 2100, 2230, 2250, 2400, 2500, 2520, 2625, 2676, 2800, 3000, 3122, 3150, 3345, 3360, 3500, 3568, 3600, 3750, 4000, 4014, 4200, 4375, 4460, 4500, 4683, 5000, 5040, 5250, 5352, 5575, 5600, 5625, 6000, 6244, 6300, 6690, 7000, 7136, 7200, 7500, 7805, 7875, 8028, 8400, 8750, 8920, 9000, 9366, 10000, 10035, 10080, 10500, 10704, 11150, 11250, 12000, 12488, 12600, 13125, 13380, 14000, 14049, 15000, 15610, 15750, 16056, 16725, 16800, 17500, 17840, 18000, 18732, 20000, 20070, 21000, 21408, 22300, 22500, 23415, 24976, 25200, 26250, 26760, 27875, 28000, 28098, 30000, 31220, 31500, 32112, 33450, 35000, 35680, 36000, 37464, 39025, 39375, 40140, 42000, 44600, 45000, 46830, 49952, 50175, 50400, 52500, 53520, 55750, 56196, 60000, 62440, 63000, 64224, 66900, 70000, 70245, 74928, 78050, 78750, 80280, 83625, 84000, 89200, 90000, 93660, 100350, 105000, 107040, 111500, 112392, 117075, 124880, 126000, 133800, 139375, 140000, 140490, 149856, 156100, 157500, 160560, 167250, 178400, 180000, 187320, 195125, 200700, 210000, 223000, 224784, 234150, 249760, 250875, 252000, 267600, 278750, 280980, 312200, 315000, 321120, 334500, 351225, 374640, 390250, 401400, 418125, 420000, 446000, 449568, 468300, 501750, 535200, 557500, 561960, 585375, 624400, 630000, 669000, 702450, 749280, 780500, 802800, 836250, 892000, 936600, 975625, 1003500, 1115000, 1123920, 1170750, 1248800, 1254375, 1260000, 1338000, 1404900, 1561000, 1605600, 1672500, 1756125, 1873200, 1951250, 2007000, 2230000, 2247840, 2341500, 2508750, 2676000, 2809800, 2926875, 3122000, 3345000, 3512250, 3746400, 3902500, 4014000, 4460000, 4683000, 5017500, 5619600, 5853750, 6244000, 6690000, 7024500, 7805000, 8028000, 8780625, 9366000, 10035000, 11239200, 11707500, 13380000, 14049000, 15610000, 17561250, 18732000, 20070000, 23415000, 28098000, 31220000, 35122500, 40140000, 46830000, 56196000, 70245000, 93660000, 140490000, 280980000]

約数ペア:

[(1, 280980000), (2, 140490000), (3, 93660000), (4, 70245000), (5, 56196000), (6, 46830000), (7, 40140000), (8, 35122500), (9, 31220000), (10, 28098000), (12, 23415000), (14, 20070000), (15, 18732000), (16, 17561250), (18, 15610000), (20, 14049000), (21, 13380000), (24, 11707500), (25, 11239200), (28, 10035000), (30, 9366000), (32, 8780625), (35, 8028000), (36, 7805000), (40, 7024500), (42, 6690000), (45, 6244000), (48, 5853750), (50, 5619600), (56, 5017500), (60, 4683000), (63, 4460000), (70, 4014000), (72, 3902500), (75, 3746400), (80, 3512250), (84, 3345000), (90, 3122000), (96, 2926875), (100, 2809800), (105, 2676000), (112, 2508750), (120, 2341500), (125, 2247840), (126, 2230000), (140, 2007000), (144, 1951250), (150, 1873200), (160, 1756125), (168, 1672500), (175, 1605600), (180, 1561000), (200, 1404900), (210, 1338000), (223, 1260000), (224, 1254375), (225, 1248800), (240, 1170750), (250, 1123920), (252, 1115000), (280, 1003500), (288, 975625), (300, 936600), (315, 892000), (336, 836250), (350, 802800), (360, 780500), (375, 749280), (400, 702450), (420, 669000), (446, 630000), (450, 624400), (480, 585375), (500, 561960), (504, 557500), (525, 535200), (560, 501750), (600, 468300), (625, 449568), (630, 446000), (669, 420000), (672, 418125), (700, 401400), (720, 390250), (750, 374640), (800, 351225), (840, 334500), (875, 321120), (892, 315000), (900, 312200), (1000, 280980), (1008, 278750), (1050, 267600), (1115, 252000), (1120, 250875), (1125, 249760), (1200, 234150), (1250, 224784), (1260, 223000), (1338, 210000), (1400, 200700), (1440, 195125), (1500, 187320), (1561, 180000), (1575, 178400), (1680, 167250), (1750, 160560), (1784, 157500), (1800, 156100), (1875, 149856), (2000, 140490), (2007, 140000), (2016, 139375), (2100, 133800), (2230, 126000), (2250, 124880), (2400, 117075), (2500, 112392), (2520, 111500), (2625, 107040), (2676, 105000), (2800, 100350), (3000, 93660), (3122, 90000), (3150, 89200), (3345, 84000), (3360, 83625), (3500, 80280), (3568, 78750), (3600, 78050), (3750, 74928), (4000, 70245), (4014, 70000), (4200, 66900), (4375, 64224), (4460, 63000), (4500, 62440), (4683, 60000), (5000, 56196), (5040, 55750), (5250, 53520), (5352, 52500), (5575, 50400), (5600, 50175), (5625, 49952), (6000, 46830), (6244, 45000), (6300, 44600), (6690, 42000), (7000, 40140), (7136, 39375), (7200, 39025), (7500, 37464), (7805, 36000), (7875, 35680), (8028, 35000), (8400, 33450), (8750, 32112), (8920, 31500), (9000, 31220), (9366, 30000), (10000, 28098), (10035, 28000), (10080, 27875), (10500, 26760), (10704, 26250), (11150, 25200), (11250, 24976), (12000, 23415), (12488, 22500), (12600, 22300), (13125, 21408), (13380, 21000), (14000, 20070), (14049, 20000), (15000, 18732), (15610, 18000), (15750, 17840), (16056, 17500), (16725, 16800)]