80280000

素因数分解:

$2^6\times 3^2\times 5^4\times {\mathrm{223}}^1$

素因数の和:261

約数の個数: 210

約数和(自身を含む): 288832544

約数和(自身を除く): 208552544

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 125, 144, 150, 160, 180, 192, 200, 223, 225, 240, 250, 288, 300, 320, 360, 375, 400, 446, 450, 480, 500, 576, 600, 625, 669, 720, 750, 800, 892, 900, 960, 1000, 1115, 1125, 1200, 1250, 1338, 1440, 1500, 1600, 1784, 1800, 1875, 2000, 2007, 2230, 2250, 2400, 2500, 2676, 2880, 3000, 3345, 3568, 3600, 3750, 4000, 4014, 4460, 4500, 4800, 5000, 5352, 5575, 5625, 6000, 6690, 7136, 7200, 7500, 8000, 8028, 8920, 9000, 10000, 10035, 10704, 11150, 11250, 12000, 13380, 14272, 14400, 15000, 16056, 16725, 17840, 18000, 20000, 20070, 21408, 22300, 22500, 24000, 26760, 27875, 30000, 32112, 33450, 35680, 36000, 40000, 40140, 42816, 44600, 45000, 50175, 53520, 55750, 60000, 64224, 66900, 71360, 72000, 80280, 83625, 89200, 90000, 100350, 107040, 111500, 120000, 128448, 133800, 139375, 160560, 167250, 178400, 180000, 200700, 214080, 223000, 250875, 267600, 278750, 321120, 334500, 356800, 360000, 401400, 418125, 446000, 501750, 535200, 557500, 642240, 669000, 802800, 836250, 892000, 1003500, 1070400, 1115000, 1254375, 1338000, 1605600, 1672500, 1784000, 2007000, 2230000, 2508750, 2676000, 3211200, 3345000, 4014000, 4460000, 5017500, 5352000, 6690000, 8028000, 8920000, 10035000, 13380000, 16056000, 20070000, 26760000, 40140000, 80280000]

約数ペア:

[(1, 80280000), (2, 40140000), (3, 26760000), (4, 20070000), (5, 16056000), (6, 13380000), (8, 10035000), (9, 8920000), (10, 8028000), (12, 6690000), (15, 5352000), (16, 5017500), (18, 4460000), (20, 4014000), (24, 3345000), (25, 3211200), (30, 2676000), (32, 2508750), (36, 2230000), (40, 2007000), (45, 1784000), (48, 1672500), (50, 1605600), (60, 1338000), (64, 1254375), (72, 1115000), (75, 1070400), (80, 1003500), (90, 892000), (96, 836250), (100, 802800), (120, 669000), (125, 642240), (144, 557500), (150, 535200), (160, 501750), (180, 446000), (192, 418125), (200, 401400), (223, 360000), (225, 356800), (240, 334500), (250, 321120), (288, 278750), (300, 267600), (320, 250875), (360, 223000), (375, 214080), (400, 200700), (446, 180000), (450, 178400), (480, 167250), (500, 160560), (576, 139375), (600, 133800), (625, 128448), (669, 120000), (720, 111500), (750, 107040), (800, 100350), (892, 90000), (900, 89200), (960, 83625), (1000, 80280), (1115, 72000), (1125, 71360), (1200, 66900), (1250, 64224), (1338, 60000), (1440, 55750), (1500, 53520), (1600, 50175), (1784, 45000), (1800, 44600), (1875, 42816), (2000, 40140), (2007, 40000), (2230, 36000), (2250, 35680), (2400, 33450), (2500, 32112), (2676, 30000), (2880, 27875), (3000, 26760), (3345, 24000), (3568, 22500), (3600, 22300), (3750, 21408), (4000, 20070), (4014, 20000), (4460, 18000), (4500, 17840), (4800, 16725), (5000, 16056), (5352, 15000), (5575, 14400), (5625, 14272), (6000, 13380), (6690, 12000), (7136, 11250), (7200, 11150), (7500, 10704), (8000, 10035), (8028, 10000), (8920, 9000)]