1311990960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{97}}^2$

素因数の和:300

約数の個数: 240

約数和(自身を含む): 4753195776

約数和(自身を除く): 3441204816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 83, 84, 97, 105, 112, 120, 140, 166, 168, 194, 210, 240, 249, 280, 291, 332, 336, 388, 415, 420, 485, 498, 560, 581, 582, 664, 679, 776, 830, 840, 970, 996, 1162, 1164, 1245, 1328, 1358, 1455, 1552, 1660, 1680, 1743, 1940, 1992, 2037, 2324, 2328, 2490, 2716, 2905, 2910, 3320, 3395, 3486, 3880, 3984, 4074, 4648, 4656, 4980, 5432, 5810, 5820, 6640, 6790, 6972, 7760, 8051, 8148, 8715, 9296, 9409, 9960, 10185, 10864, 11620, 11640, 13580, 13944, 16102, 16296, 17430, 18818, 19920, 20370, 23240, 23280, 24153, 27160, 27888, 28227, 32204, 32592, 34860, 37636, 40255, 40740, 46480, 47045, 48306, 54320, 56357, 56454, 64408, 65863, 69720, 75272, 80510, 81480, 94090, 96612, 112714, 112908, 120765, 128816, 131726, 139440, 141135, 150544, 161020, 162960, 169071, 188180, 193224, 197589, 225428, 225816, 241530, 263452, 281785, 282270, 322040, 329315, 338142, 376360, 386448, 395178, 450856, 451632, 483060, 526904, 563570, 564540, 644080, 658630, 676284, 752720, 780947, 790356, 845355, 901712, 966120, 987945, 1053808, 1127140, 1129080, 1317260, 1352568, 1561894, 1580712, 1690710, 1932240, 1975890, 2254280, 2258160, 2342841, 2634520, 2705136, 3123788, 3161424, 3381420, 3904735, 3951780, 4508560, 4685682, 5269040, 5466629, 6247576, 6762840, 7809470, 7903560, 9371364, 10933258, 11714205, 12495152, 13525680, 15618940, 15807120, 16399887, 18742728, 21866516, 23428410, 27333145, 31237880, 32799774, 37485456, 43733032, 46856820, 54666290, 62475760, 65599548, 81999435, 87466064, 93713640, 109332580, 131199096, 163998870, 187427280, 218665160, 262398192, 327997740, 437330320, 655995480, 1311990960]

約数ペア:

[(1, 1311990960), (2, 655995480), (3, 437330320), (4, 327997740), (5, 262398192), (6, 218665160), (7, 187427280), (8, 163998870), (10, 131199096), (12, 109332580), (14, 93713640), (15, 87466064), (16, 81999435), (20, 65599548), (21, 62475760), (24, 54666290), (28, 46856820), (30, 43733032), (35, 37485456), (40, 32799774), (42, 31237880), (48, 27333145), (56, 23428410), (60, 21866516), (70, 18742728), (80, 16399887), (83, 15807120), (84, 15618940), (97, 13525680), (105, 12495152), (112, 11714205), (120, 10933258), (140, 9371364), (166, 7903560), (168, 7809470), (194, 6762840), (210, 6247576), (240, 5466629), (249, 5269040), (280, 4685682), (291, 4508560), (332, 3951780), (336, 3904735), (388, 3381420), (415, 3161424), (420, 3123788), (485, 2705136), (498, 2634520), (560, 2342841), (581, 2258160), (582, 2254280), (664, 1975890), (679, 1932240), (776, 1690710), (830, 1580712), (840, 1561894), (970, 1352568), (996, 1317260), (1162, 1129080), (1164, 1127140), (1245, 1053808), (1328, 987945), (1358, 966120), (1455, 901712), (1552, 845355), (1660, 790356), (1680, 780947), (1743, 752720), (1940, 676284), (1992, 658630), (2037, 644080), (2324, 564540), (2328, 563570), (2490, 526904), (2716, 483060), (2905, 451632), (2910, 450856), (3320, 395178), (3395, 386448), (3486, 376360), (3880, 338142), (3984, 329315), (4074, 322040), (4648, 282270), (4656, 281785), (4980, 263452), (5432, 241530), (5810, 225816), (5820, 225428), (6640, 197589), (6790, 193224), (6972, 188180), (7760, 169071), (8051, 162960), (8148, 161020), (8715, 150544), (9296, 141135), (9409, 139440), (9960, 131726), (10185, 128816), (10864, 120765), (11620, 112908), (11640, 112714), (13580, 96612), (13944, 94090), (16102, 81480), (16296, 80510), (17430, 75272), (18818, 69720), (19920, 65863), (20370, 64408), (23240, 56454), (23280, 56357), (24153, 54320), (27160, 48306), (27888, 47045), (28227, 46480), (32204, 40740), (32592, 40255), (34860, 37636)]