68020920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:310

約数の個数: 192

約数和(自身を含む): 245138400

約数和(自身を除く): 177117480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 89, 90, 99, 110, 120, 132, 165, 178, 180, 193, 198, 220, 264, 267, 330, 356, 360, 386, 396, 440, 445, 495, 534, 579, 660, 712, 772, 792, 801, 890, 965, 979, 990, 1068, 1158, 1320, 1335, 1544, 1602, 1737, 1780, 1930, 1958, 1980, 2123, 2136, 2316, 2670, 2895, 2937, 3204, 3474, 3560, 3860, 3916, 3960, 4005, 4246, 4632, 4895, 5340, 5790, 5874, 6369, 6408, 6948, 7720, 7832, 8010, 8492, 8685, 8811, 9790, 10615, 10680, 11580, 11748, 12738, 13896, 14685, 16020, 16984, 17177, 17370, 17622, 19107, 19580, 21230, 23160, 23496, 25476, 29370, 31845, 32040, 34354, 34740, 35244, 38214, 39160, 42460, 44055, 50952, 51531, 58740, 63690, 68708, 69480, 70488, 76428, 84920, 85885, 88110, 95535, 103062, 117480, 127380, 137416, 152856, 154593, 171770, 176220, 188947, 191070, 206124, 254760, 257655, 309186, 343540, 352440, 377894, 382140, 412248, 515310, 566841, 618372, 687080, 755788, 764280, 772965, 944735, 1030620, 1133682, 1236744, 1511576, 1545930, 1700523, 1889470, 2061240, 2267364, 2834205, 3091860, 3401046, 3778940, 4534728, 5668410, 6183720, 6802092, 7557880, 8502615, 11336820, 13604184, 17005230, 22673640, 34010460, 68020920]

約数ペア:

[(1, 68020920), (2, 34010460), (3, 22673640), (4, 17005230), (5, 13604184), (6, 11336820), (8, 8502615), (9, 7557880), (10, 6802092), (11, 6183720), (12, 5668410), (15, 4534728), (18, 3778940), (20, 3401046), (22, 3091860), (24, 2834205), (30, 2267364), (33, 2061240), (36, 1889470), (40, 1700523), (44, 1545930), (45, 1511576), (55, 1236744), (60, 1133682), (66, 1030620), (72, 944735), (88, 772965), (89, 764280), (90, 755788), (99, 687080), (110, 618372), (120, 566841), (132, 515310), (165, 412248), (178, 382140), (180, 377894), (193, 352440), (198, 343540), (220, 309186), (264, 257655), (267, 254760), (330, 206124), (356, 191070), (360, 188947), (386, 176220), (396, 171770), (440, 154593), (445, 152856), (495, 137416), (534, 127380), (579, 117480), (660, 103062), (712, 95535), (772, 88110), (792, 85885), (801, 84920), (890, 76428), (965, 70488), (979, 69480), (990, 68708), (1068, 63690), (1158, 58740), (1320, 51531), (1335, 50952), (1544, 44055), (1602, 42460), (1737, 39160), (1780, 38214), (1930, 35244), (1958, 34740), (1980, 34354), (2123, 32040), (2136, 31845), (2316, 29370), (2670, 25476), (2895, 23496), (2937, 23160), (3204, 21230), (3474, 19580), (3560, 19107), (3860, 17622), (3916, 17370), (3960, 17177), (4005, 16984), (4246, 16020), (4632, 14685), (4895, 13896), (5340, 12738), (5790, 11748), (5874, 11580), (6369, 10680), (6408, 10615), (6948, 9790), (7720, 8811), (7832, 8685), (8010, 8492)]