15666738885

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{433}}^1$

素因数の和:788

約数の個数: 144

約数和(自身を含む): 32300901360

約数和(自身を除く): 16634162475

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 61, 63, 105, 147, 183, 245, 269, 305, 315, 427, 433, 441, 549, 735, 807, 915, 1281, 1299, 1345, 1883, 2135, 2165, 2205, 2421, 2745, 2989, 3031, 3843, 3897, 4035, 5649, 6405, 6495, 8967, 9093, 9415, 12105, 13181, 14945, 15155, 16409, 16947, 19215, 19485, 21217, 26413, 26901, 27279, 28245, 39543, 44835, 45465, 49227, 63651, 65905, 79239, 82045, 84735, 106085, 114863, 116477, 118629, 132065, 134505, 136395, 147681, 184891, 190953, 197715, 237717, 246135, 318255, 344589, 349431, 396195, 554673, 574315, 582385, 593145, 738405, 804041, 815339, 924455, 954765, 1033767, 1048293, 1188585, 1294237, 1664019, 1722945, 1747155, 2412123, 2446017, 2773365, 3882711, 4020205, 4076695, 5168835, 5241465, 5707373, 6471185, 7105097, 7236369, 7338051, 8320095, 11648133, 12060615, 12230085, 17122119, 19413555, 21315291, 28536865, 35525485, 36181845, 36690255, 49735679, 51366357, 58240665, 63945873, 85610595, 106576455, 149207037, 248678395, 256831785, 319729365, 348149753, 447621111, 746035185, 1044449259, 1740748765, 2238105555, 3133347777, 5222246295, 15666738885]

約数ペア:

[(1, 15666738885), (3, 5222246295), (5, 3133347777), (7, 2238105555), (9, 1740748765), (15, 1044449259), (21, 746035185), (35, 447621111), (45, 348149753), (49, 319729365), (61, 256831785), (63, 248678395), (105, 149207037), (147, 106576455), (183, 85610595), (245, 63945873), (269, 58240665), (305, 51366357), (315, 49735679), (427, 36690255), (433, 36181845), (441, 35525485), (549, 28536865), (735, 21315291), (807, 19413555), (915, 17122119), (1281, 12230085), (1299, 12060615), (1345, 11648133), (1883, 8320095), (2135, 7338051), (2165, 7236369), (2205, 7105097), (2421, 6471185), (2745, 5707373), (2989, 5241465), (3031, 5168835), (3843, 4076695), (3897, 4020205), (4035, 3882711), (5649, 2773365), (6405, 2446017), (6495, 2412123), (8967, 1747155), (9093, 1722945), (9415, 1664019), (12105, 1294237), (13181, 1188585), (14945, 1048293), (15155, 1033767), (16409, 954765), (16947, 924455), (19215, 815339), (19485, 804041), (21217, 738405), (26413, 593145), (26901, 582385), (27279, 574315), (28245, 554673), (39543, 396195), (44835, 349431), (45465, 344589), (49227, 318255), (63651, 246135), (65905, 237717), (79239, 197715), (82045, 190953), (84735, 184891), (106085, 147681), (114863, 136395), (116477, 134505), (118629, 132065)]