1668462840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{140443}}^1$

素因数の和:140474

約数の個数: 128

約数和(自身を含む): 6067180800

約数和(自身を除く): 4398717960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2970, 3960, 5940, 11880, 140443, 280886, 421329, 561772, 702215, 842658, 1123544, 1263987, 1404430, 1544873, 1685316, 2106645, 2527974, 2808860, 3089746, 3370632, 3791961, 4213290, 4634619, 5055948, 5617720, 6179492, 6319935, 7583922, 7724365, 8426580, 9269238, 10111896, 12358984, 12639870, 13903857, 15167844, 15448730, 16853160, 18538476, 18959805, 23173095, 25279740, 27807714, 30335688, 30897460, 37076952, 37919610, 41711571, 46346190, 50559480, 55615428, 61794920, 69519285, 75839220, 83423142, 92692380, 111230856, 139038570, 151678440, 166846284, 185384760, 208557855, 278077140, 333692568, 417115710, 556154280, 834231420, 1668462840]

約数ペア:

[(1, 1668462840), (2, 834231420), (3, 556154280), (4, 417115710), (5, 333692568), (6, 278077140), (8, 208557855), (9, 185384760), (10, 166846284), (11, 151678440), (12, 139038570), (15, 111230856), (18, 92692380), (20, 83423142), (22, 75839220), (24, 69519285), (27, 61794920), (30, 55615428), (33, 50559480), (36, 46346190), (40, 41711571), (44, 37919610), (45, 37076952), (54, 30897460), (55, 30335688), (60, 27807714), (66, 25279740), (72, 23173095), (88, 18959805), (90, 18538476), (99, 16853160), (108, 15448730), (110, 15167844), (120, 13903857), (132, 12639870), (135, 12358984), (165, 10111896), (180, 9269238), (198, 8426580), (216, 7724365), (220, 7583922), (264, 6319935), (270, 6179492), (297, 5617720), (330, 5055948), (360, 4634619), (396, 4213290), (440, 3791961), (495, 3370632), (540, 3089746), (594, 2808860), (660, 2527974), (792, 2106645), (990, 1685316), (1080, 1544873), (1188, 1404430), (1320, 1263987), (1485, 1123544), (1980, 842658), (2376, 702215), (2970, 561772), (3960, 421329), (5940, 280886), (11880, 140443)]