2021172720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^2$

素因数の和:448

約数の個数: 240

約数和(自身を含む): 7429429248

約数和(自身を除く): 5408256528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 197, 210, 217, 240, 248, 280, 310, 336, 372, 394, 420, 434, 465, 496, 560, 591, 620, 651, 744, 788, 840, 868, 930, 985, 1085, 1182, 1240, 1302, 1379, 1488, 1576, 1680, 1736, 1860, 1970, 2170, 2364, 2480, 2604, 2758, 2955, 3152, 3255, 3472, 3720, 3940, 4137, 4340, 4728, 5208, 5516, 5910, 6107, 6510, 6895, 7440, 7880, 8274, 8680, 9456, 10416, 11032, 11820, 12214, 13020, 13790, 15760, 16548, 17360, 18321, 20685, 22064, 23640, 24428, 26040, 27580, 30535, 33096, 36642, 38809, 41370, 42749, 47280, 48856, 52080, 55160, 61070, 66192, 73284, 77618, 82740, 85498, 91605, 97712, 110320, 116427, 122140, 128247, 146568, 155236, 165480, 170996, 183210, 194045, 213745, 232854, 244280, 256494, 271663, 293136, 310472, 330960, 341992, 366420, 388090, 427490, 465708, 488560, 512988, 543326, 582135, 620944, 641235, 683984, 732840, 776180, 814989, 854980, 931416, 1025976, 1086652, 1164270, 1203079, 1282470, 1358315, 1465680, 1552360, 1629978, 1709960, 1862832, 2051952, 2173304, 2328540, 2406158, 2564940, 2716630, 3104720, 3259956, 3419920, 3609237, 4074945, 4346608, 4657080, 4812316, 5129880, 5433260, 6015395, 6519912, 7218474, 8149890, 8421553, 9314160, 9624632, 10259760, 10866520, 12030790, 13039824, 14436948, 16299780, 16843106, 18046185, 19249264, 21733040, 24061580, 25264659, 28873896, 32599560, 33686212, 36092370, 42107765, 48123160, 50529318, 57747792, 65199120, 67372424, 72184740, 84215530, 96246320, 101058636, 126323295, 134744848, 144369480, 168431060, 202117272, 252646590, 288738960, 336862120, 404234544, 505293180, 673724240, 1010586360, 2021172720]

約数ペア:

[(1, 2021172720), (2, 1010586360), (3, 673724240), (4, 505293180), (5, 404234544), (6, 336862120), (7, 288738960), (8, 252646590), (10, 202117272), (12, 168431060), (14, 144369480), (15, 134744848), (16, 126323295), (20, 101058636), (21, 96246320), (24, 84215530), (28, 72184740), (30, 67372424), (31, 65199120), (35, 57747792), (40, 50529318), (42, 48123160), (48, 42107765), (56, 36092370), (60, 33686212), (62, 32599560), (70, 28873896), (80, 25264659), (84, 24061580), (93, 21733040), (105, 19249264), (112, 18046185), (120, 16843106), (124, 16299780), (140, 14436948), (155, 13039824), (168, 12030790), (186, 10866520), (197, 10259760), (210, 9624632), (217, 9314160), (240, 8421553), (248, 8149890), (280, 7218474), (310, 6519912), (336, 6015395), (372, 5433260), (394, 5129880), (420, 4812316), (434, 4657080), (465, 4346608), (496, 4074945), (560, 3609237), (591, 3419920), (620, 3259956), (651, 3104720), (744, 2716630), (788, 2564940), (840, 2406158), (868, 2328540), (930, 2173304), (985, 2051952), (1085, 1862832), (1182, 1709960), (1240, 1629978), (1302, 1552360), (1379, 1465680), (1488, 1358315), (1576, 1282470), (1680, 1203079), (1736, 1164270), (1860, 1086652), (1970, 1025976), (2170, 931416), (2364, 854980), (2480, 814989), (2604, 776180), (2758, 732840), (2955, 683984), (3152, 641235), (3255, 620944), (3472, 582135), (3720, 543326), (3940, 512988), (4137, 488560), (4340, 465708), (4728, 427490), (5208, 388090), (5516, 366420), (5910, 341992), (6107, 330960), (6510, 310472), (6895, 293136), (7440, 271663), (7880, 256494), (8274, 244280), (8680, 232854), (9456, 213745), (10416, 194045), (11032, 183210), (11820, 170996), (12214, 165480), (13020, 155236), (13790, 146568), (15760, 128247), (16548, 122140), (17360, 116427), (18321, 110320), (20685, 97712), (22064, 91605), (23640, 85498), (24428, 82740), (26040, 77618), (27580, 73284), (30535, 66192), (33096, 61070), (36642, 55160), (38809, 52080), (41370, 48856), (42749, 47280)]