20408400000

素因数分解:

$2^7\times 3^2\times 5^5\times {\mathrm{5669}}^1$

素因数の和:5714

約数の個数: 288

約数和(自身を含む): 73417371300

約数和(自身を除く): 53008971300

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, 128, 144, 150, 160, 180, 192, 200, 225, 240, 250, 288, 300, 320, 360, 375, 384, 400, 450, 480, 500, 576, 600, 625, 640, 720, 750, 800, 900, 960, 1000, 1125, 1152, 1200, 1250, 1440, 1500, 1600, 1800, 1875, 1920, 2000, 2250, 2400, 2500, 2880, 3000, 3125, 3200, 3600, 3750, 4000, 4500, 4800, 5000, 5625, 5669, 5760, 6000, 6250, 7200, 7500, 8000, 9000, 9375, 9600, 10000, 11250, 11338, 12000, 12500, 14400, 15000, 16000, 17007, 18000, 18750, 20000, 22500, 22676, 24000, 25000, 28125, 28345, 28800, 30000, 34014, 36000, 37500, 40000, 45000, 45352, 48000, 50000, 51021, 56250, 56690, 60000, 68028, 72000, 75000, 80000, 85035, 90000, 90704, 100000, 102042, 112500, 113380, 120000, 136056, 141725, 144000, 150000, 170070, 180000, 181408, 200000, 204084, 225000, 226760, 240000, 255105, 272112, 283450, 300000, 340140, 360000, 362816, 400000, 408168, 425175, 450000, 453520, 510210, 544224, 566900, 600000, 680280, 708625, 720000, 725632, 816336, 850350, 900000, 907040, 1020420, 1088448, 1133800, 1200000, 1275525, 1360560, 1417250, 1632672, 1700700, 1800000, 1814080, 2040840, 2125875, 2176896, 2267600, 2551050, 2721120, 2834500, 3265344, 3401400, 3543125, 3600000, 3628160, 4081680, 4251750, 4535200, 5102100, 5442240, 5669000, 6377625, 6530688, 6802800, 7086250, 8163360, 8503500, 9070400, 10204200, 10629375, 10884480, 11338000, 12755250, 13605600, 14172500, 16326720, 17007000, 17715625, 18140800, 20408400, 21258750, 22676000, 25510500, 27211200, 28345000, 31888125, 32653440, 34014000, 35431250, 40816800, 42517500, 45352000, 51021000, 53146875, 54422400, 56690000, 63776250, 68028000, 70862500, 81633600, 85035000, 90704000, 102042000, 106293750, 113380000, 127552500, 136056000, 141725000, 159440625, 163267200, 170070000, 204084000, 212587500, 226760000, 255105000, 272112000, 283450000, 318881250, 340140000, 408168000, 425175000, 453520000, 510210000, 566900000, 637762500, 680280000, 816336000, 850350000, 1020420000, 1133800000, 1275525000, 1360560000, 1700700000, 2040840000, 2267600000, 2551050000, 3401400000, 4081680000, 5102100000, 6802800000, 10204200000, 20408400000]

約数ペア:

[(1, 20408400000), (2, 10204200000), (3, 6802800000), (4, 5102100000), (5, 4081680000), (6, 3401400000), (8, 2551050000), (9, 2267600000), (10, 2040840000), (12, 1700700000), (15, 1360560000), (16, 1275525000), (18, 1133800000), (20, 1020420000), (24, 850350000), (25, 816336000), (30, 680280000), (32, 637762500), (36, 566900000), (40, 510210000), (45, 453520000), (48, 425175000), (50, 408168000), (60, 340140000), (64, 318881250), (72, 283450000), (75, 272112000), (80, 255105000), (90, 226760000), (96, 212587500), (100, 204084000), (120, 170070000), (125, 163267200), (128, 159440625), (144, 141725000), (150, 136056000), (160, 127552500), (180, 113380000), (192, 106293750), (200, 102042000), (225, 90704000), (240, 85035000), (250, 81633600), (288, 70862500), (300, 68028000), (320, 63776250), (360, 56690000), (375, 54422400), (384, 53146875), (400, 51021000), (450, 45352000), (480, 42517500), (500, 40816800), (576, 35431250), (600, 34014000), (625, 32653440), (640, 31888125), (720, 28345000), (750, 27211200), (800, 25510500), (900, 22676000), (960, 21258750), (1000, 20408400), (1125, 18140800), (1152, 17715625), (1200, 17007000), (1250, 16326720), (1440, 14172500), (1500, 13605600), (1600, 12755250), (1800, 11338000), (1875, 10884480), (1920, 10629375), (2000, 10204200), (2250, 9070400), (2400, 8503500), (2500, 8163360), (2880, 7086250), (3000, 6802800), (3125, 6530688), (3200, 6377625), (3600, 5669000), (3750, 5442240), (4000, 5102100), (4500, 4535200), (4800, 4251750), (5000, 4081680), (5625, 3628160), (5669, 3600000), (5760, 3543125), (6000, 3401400), (6250, 3265344), (7200, 2834500), (7500, 2721120), (8000, 2551050), (9000, 2267600), (9375, 2176896), (9600, 2125875), (10000, 2040840), (11250, 1814080), (11338, 1800000), (12000, 1700700), (12500, 1632672), (14400, 1417250), (15000, 1360560), (16000, 1275525), (17007, 1200000), (18000, 1133800), (18750, 1088448), (20000, 1020420), (22500, 907040), (22676, 900000), (24000, 850350), (25000, 816336), (28125, 725632), (28345, 720000), (28800, 708625), (30000, 680280), (34014, 600000), (36000, 566900), (37500, 544224), (40000, 510210), (45000, 453520), (45352, 450000), (48000, 425175), (50000, 408168), (51021, 400000), (56250, 362816), (56690, 360000), (60000, 340140), (68028, 300000), (72000, 283450), (75000, 272112), (80000, 255105), (85035, 240000), (90000, 226760), (90704, 225000), (100000, 204084), (102042, 200000), (112500, 181408), (113380, 180000), (120000, 170070), (136056, 150000), (141725, 144000)]