21061890000

素因数分解:

$2^4\times 3^3\times 5^4\times {\mathrm{78007}}^1$

素因数の和:78044

約数の個数: 200

約数和(自身を含む): 75546067520

約数和(自身を除く): 54484177520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 100, 108, 120, 125, 135, 144, 150, 180, 200, 216, 225, 240, 250, 270, 300, 360, 375, 400, 432, 450, 500, 540, 600, 625, 675, 720, 750, 900, 1000, 1080, 1125, 1200, 1250, 1350, 1500, 1800, 1875, 2000, 2160, 2250, 2500, 2700, 3000, 3375, 3600, 3750, 4500, 5000, 5400, 5625, 6000, 6750, 7500, 9000, 10000, 10800, 11250, 13500, 15000, 16875, 18000, 22500, 27000, 30000, 33750, 45000, 54000, 67500, 78007, 90000, 135000, 156014, 234021, 270000, 312028, 390035, 468042, 624056, 702063, 780070, 936084, 1170105, 1248112, 1404126, 1560140, 1872168, 1950175, 2106189, 2340210, 2808252, 3120280, 3510315, 3744336, 3900350, 4212378, 4680420, 5616504, 5850525, 6240560, 7020630, 7800700, 8424756, 9360840, 9750875, 10530945, 11233008, 11701050, 14041260, 15601400, 16849512, 17551575, 18721680, 19501750, 21061890, 23402100, 28082520, 29252625, 31202800, 33699024, 35103150, 39003500, 42123780, 46804200, 48754375, 52654725, 56165040, 58505250, 70206300, 78007000, 84247560, 87757875, 93608400, 97508750, 105309450, 117010500, 140412600, 146263125, 156014000, 168495120, 175515750, 195017500, 210618900, 234021000, 263273625, 280825200, 292526250, 351031500, 390035000, 421237800, 438789375, 468042000, 526547250, 585052500, 702063000, 780070000, 842475600, 877578750, 1053094500, 1170105000, 1316368125, 1404126000, 1755157500, 2106189000, 2340210000, 2632736250, 3510315000, 4212378000, 5265472500, 7020630000, 10530945000, 21061890000]

約数ペア:

[(1, 21061890000), (2, 10530945000), (3, 7020630000), (4, 5265472500), (5, 4212378000), (6, 3510315000), (8, 2632736250), (9, 2340210000), (10, 2106189000), (12, 1755157500), (15, 1404126000), (16, 1316368125), (18, 1170105000), (20, 1053094500), (24, 877578750), (25, 842475600), (27, 780070000), (30, 702063000), (36, 585052500), (40, 526547250), (45, 468042000), (48, 438789375), (50, 421237800), (54, 390035000), (60, 351031500), (72, 292526250), (75, 280825200), (80, 263273625), (90, 234021000), (100, 210618900), (108, 195017500), (120, 175515750), (125, 168495120), (135, 156014000), (144, 146263125), (150, 140412600), (180, 117010500), (200, 105309450), (216, 97508750), (225, 93608400), (240, 87757875), (250, 84247560), (270, 78007000), (300, 70206300), (360, 58505250), (375, 56165040), (400, 52654725), (432, 48754375), (450, 46804200), (500, 42123780), (540, 39003500), (600, 35103150), (625, 33699024), (675, 31202800), (720, 29252625), (750, 28082520), (900, 23402100), (1000, 21061890), (1080, 19501750), (1125, 18721680), (1200, 17551575), (1250, 16849512), (1350, 15601400), (1500, 14041260), (1800, 11701050), (1875, 11233008), (2000, 10530945), (2160, 9750875), (2250, 9360840), (2500, 8424756), (2700, 7800700), (3000, 7020630), (3375, 6240560), (3600, 5850525), (3750, 5616504), (4500, 4680420), (5000, 4212378), (5400, 3900350), (5625, 3744336), (6000, 3510315), (6750, 3120280), (7500, 2808252), (9000, 2340210), (10000, 2106189), (10800, 1950175), (11250, 1872168), (13500, 1560140), (15000, 1404126), (16875, 1248112), (18000, 1170105), (22500, 936084), (27000, 780070), (30000, 702063), (33750, 624056), (45000, 468042), (54000, 390035), (67500, 312028), (78007, 270000), (90000, 234021), (135000, 156014)]