21687511680

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{13997}}^1$

素因数の和:14291

約数の個数: 192

約数和(自身を含む): 75173459400

約数和(自身を除く): 53485947720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 269, 288, 320, 360, 384, 480, 538, 576, 640, 720, 807, 960, 1076, 1152, 1345, 1440, 1614, 1920, 2152, 2421, 2690, 2880, 3228, 4035, 4304, 4842, 5380, 5760, 6456, 8070, 8608, 9684, 10760, 12105, 12912, 13997, 16140, 17216, 19368, 21520, 24210, 25824, 27994, 32280, 34432, 38736, 41991, 43040, 48420, 51648, 55988, 64560, 69985, 77472, 83982, 86080, 96840, 103296, 111976, 125973, 129120, 139970, 154944, 167964, 172160, 193680, 209955, 223952, 251946, 258240, 279940, 309888, 335928, 387360, 419910, 447904, 503892, 516480, 559880, 629865, 671856, 774720, 839820, 895808, 1007784, 1119760, 1259730, 1343712, 1549440, 1679640, 1791616, 2015568, 2239520, 2519460, 2687424, 3359280, 3765193, 4031136, 4479040, 5038920, 5374848, 6718560, 7530386, 8062272, 8958080, 10077840, 11295579, 13437120, 15060772, 16124544, 18825965, 20155680, 22591158, 26874240, 30121544, 33886737, 37651930, 40311360, 45182316, 56477895, 60243088, 67773474, 75303860, 80622720, 90364632, 112955790, 120486176, 135546948, 150607720, 169433685, 180729264, 225911580, 240972352, 271093896, 301215440, 338867370, 361458528, 451823160, 481944704, 542187792, 602430880, 677734740, 722917056, 903646320, 1084375584, 1204861760, 1355469480, 1445834112, 1807292640, 2168751168, 2409723520, 2710938960, 3614585280, 4337502336, 5421877920, 7229170560, 10843755840, 21687511680]

約数ペア:

[(1, 21687511680), (2, 10843755840), (3, 7229170560), (4, 5421877920), (5, 4337502336), (6, 3614585280), (8, 2710938960), (9, 2409723520), (10, 2168751168), (12, 1807292640), (15, 1445834112), (16, 1355469480), (18, 1204861760), (20, 1084375584), (24, 903646320), (30, 722917056), (32, 677734740), (36, 602430880), (40, 542187792), (45, 481944704), (48, 451823160), (60, 361458528), (64, 338867370), (72, 301215440), (80, 271093896), (90, 240972352), (96, 225911580), (120, 180729264), (128, 169433685), (144, 150607720), (160, 135546948), (180, 120486176), (192, 112955790), (240, 90364632), (269, 80622720), (288, 75303860), (320, 67773474), (360, 60243088), (384, 56477895), (480, 45182316), (538, 40311360), (576, 37651930), (640, 33886737), (720, 30121544), (807, 26874240), (960, 22591158), (1076, 20155680), (1152, 18825965), (1345, 16124544), (1440, 15060772), (1614, 13437120), (1920, 11295579), (2152, 10077840), (2421, 8958080), (2690, 8062272), (2880, 7530386), (3228, 6718560), (4035, 5374848), (4304, 5038920), (4842, 4479040), (5380, 4031136), (5760, 3765193), (6456, 3359280), (8070, 2687424), (8608, 2519460), (9684, 2239520), (10760, 2015568), (12105, 1791616), (12912, 1679640), (13997, 1549440), (16140, 1343712), (17216, 1259730), (19368, 1119760), (21520, 1007784), (24210, 895808), (25824, 839820), (27994, 774720), (32280, 671856), (34432, 629865), (38736, 559880), (41991, 516480), (43040, 503892), (48420, 447904), (51648, 419910), (55988, 387360), (64560, 335928), (69985, 309888), (77472, 279940), (83982, 258240), (86080, 251946), (96840, 223952), (103296, 209955), (111976, 193680), (125973, 172160), (129120, 167964), (139970, 154944)]