20414928000

素因数分解:

$2^7\times 3^1\times 5^3\times {\mathrm{101}}^1\times {\mathrm{4211}}^1$

素因数の和:4344

約数の個数: 256

約数和(自身を含む): 68361770880

約数和(自身を除く): 47946842880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 101, 120, 125, 128, 150, 160, 192, 200, 202, 240, 250, 300, 303, 320, 375, 384, 400, 404, 480, 500, 505, 600, 606, 640, 750, 800, 808, 960, 1000, 1010, 1200, 1212, 1500, 1515, 1600, 1616, 1920, 2000, 2020, 2400, 2424, 2525, 3000, 3030, 3200, 3232, 4000, 4040, 4211, 4800, 4848, 5050, 6000, 6060, 6464, 7575, 8000, 8080, 8422, 9600, 9696, 10100, 12000, 12120, 12625, 12633, 12928, 15150, 16000, 16160, 16844, 19392, 20200, 21055, 24000, 24240, 25250, 25266, 30300, 32320, 33688, 37875, 38784, 40400, 42110, 48000, 48480, 50500, 50532, 60600, 63165, 64640, 67376, 75750, 80800, 84220, 96960, 101000, 101064, 105275, 121200, 126330, 134752, 151500, 161600, 168440, 193920, 202000, 202128, 210550, 242400, 252660, 269504, 303000, 315825, 323200, 336880, 404000, 404256, 421100, 425311, 484800, 505320, 526375, 539008, 606000, 631650, 673760, 808000, 808512, 842200, 850622, 969600, 1010640, 1052750, 1212000, 1263300, 1275933, 1347520, 1579125, 1616000, 1617024, 1684400, 1701244, 2021280, 2105500, 2126555, 2424000, 2526600, 2551866, 2695040, 3158250, 3368800, 3402488, 4042560, 4211000, 4253110, 4848000, 5053200, 5103732, 6316500, 6379665, 6737600, 6804976, 8085120, 8422000, 8506220, 10106400, 10207464, 10632775, 12633000, 12759330, 13475200, 13609952, 16844000, 17012440, 20212800, 20414928, 21265550, 25266000, 25518660, 27219904, 31898325, 33688000, 34024880, 40425600, 40829856, 42531100, 50532000, 51037320, 53163875, 54439808, 63796650, 67376000, 68049760, 81659712, 85062200, 101064000, 102074640, 106327750, 127593300, 136099520, 159491625, 163319424, 170124400, 202128000, 204149280, 212655500, 255186600, 272199040, 318983250, 340248800, 408298560, 425311000, 510373200, 637966500, 680497600, 816597120, 850622000, 1020746400, 1275933000, 1360995200, 1701244000, 2041492800, 2551866000, 3402488000, 4082985600, 5103732000, 6804976000, 10207464000, 20414928000]

約数ペア:

[(1, 20414928000), (2, 10207464000), (3, 6804976000), (4, 5103732000), (5, 4082985600), (6, 3402488000), (8, 2551866000), (10, 2041492800), (12, 1701244000), (15, 1360995200), (16, 1275933000), (20, 1020746400), (24, 850622000), (25, 816597120), (30, 680497600), (32, 637966500), (40, 510373200), (48, 425311000), (50, 408298560), (60, 340248800), (64, 318983250), (75, 272199040), (80, 255186600), (96, 212655500), (100, 204149280), (101, 202128000), (120, 170124400), (125, 163319424), (128, 159491625), (150, 136099520), (160, 127593300), (192, 106327750), (200, 102074640), (202, 101064000), (240, 85062200), (250, 81659712), (300, 68049760), (303, 67376000), (320, 63796650), (375, 54439808), (384, 53163875), (400, 51037320), (404, 50532000), (480, 42531100), (500, 40829856), (505, 40425600), (600, 34024880), (606, 33688000), (640, 31898325), (750, 27219904), (800, 25518660), (808, 25266000), (960, 21265550), (1000, 20414928), (1010, 20212800), (1200, 17012440), (1212, 16844000), (1500, 13609952), (1515, 13475200), (1600, 12759330), (1616, 12633000), (1920, 10632775), (2000, 10207464), (2020, 10106400), (2400, 8506220), (2424, 8422000), (2525, 8085120), (3000, 6804976), (3030, 6737600), (3200, 6379665), (3232, 6316500), (4000, 5103732), (4040, 5053200), (4211, 4848000), (4800, 4253110), (4848, 4211000), (5050, 4042560), (6000, 3402488), (6060, 3368800), (6464, 3158250), (7575, 2695040), (8000, 2551866), (8080, 2526600), (8422, 2424000), (9600, 2126555), (9696, 2105500), (10100, 2021280), (12000, 1701244), (12120, 1684400), (12625, 1617024), (12633, 1616000), (12928, 1579125), (15150, 1347520), (16000, 1275933), (16160, 1263300), (16844, 1212000), (19392, 1052750), (20200, 1010640), (21055, 969600), (24000, 850622), (24240, 842200), (25250, 808512), (25266, 808000), (30300, 673760), (32320, 631650), (33688, 606000), (37875, 539008), (38784, 526375), (40400, 505320), (42110, 484800), (48000, 425311), (48480, 421100), (50500, 404256), (50532, 404000), (60600, 336880), (63165, 323200), (64640, 315825), (67376, 303000), (75750, 269504), (80800, 252660), (84220, 242400), (96960, 210550), (101000, 202128), (101064, 202000), (105275, 193920), (121200, 168440), (126330, 161600), (134752, 151500)]