12720977920

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1723}}^1$

素因数の和:1860

約数の個数: 192

約数和(自身を含む): 35242421760

約数和(自身を除く): 22521443840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 103, 112, 128, 140, 160, 206, 224, 256, 280, 320, 412, 448, 512, 515, 560, 640, 721, 824, 896, 1024, 1030, 1120, 1280, 1442, 1648, 1723, 1792, 2048, 2060, 2240, 2560, 2884, 3296, 3446, 3584, 3605, 4120, 4480, 5120, 5768, 6592, 6892, 7168, 7210, 8240, 8615, 8960, 10240, 11536, 12061, 13184, 13784, 14336, 14420, 16480, 17230, 17920, 23072, 24122, 26368, 27568, 28840, 32960, 34460, 35840, 46144, 48244, 52736, 55136, 57680, 60305, 65920, 68920, 71680, 92288, 96488, 105472, 110272, 115360, 120610, 131840, 137840, 177469, 184576, 192976, 210944, 220544, 230720, 241220, 263680, 275680, 354938, 369152, 385952, 441088, 461440, 482440, 527360, 551360, 709876, 738304, 771904, 882176, 887345, 922880, 964880, 1054720, 1102720, 1242283, 1419752, 1476608, 1543808, 1764352, 1774690, 1845760, 1929760, 2205440, 2484566, 2839504, 3087616, 3528704, 3549380, 3691520, 3859520, 4410880, 4969132, 5679008, 6175232, 6211415, 7098760, 7383040, 7719040, 8821760, 9938264, 11358016, 12350464, 12422830, 14197520, 15438080, 17643520, 19876528, 22716032, 24700928, 24845660, 28395040, 30876160, 39753056, 45432064, 49691320, 56790080, 61752320, 79506112, 90864128, 99382640, 113580160, 123504640, 159012224, 181728256, 198765280, 227160320, 318024448, 363456512, 397530560, 454320640, 636048896, 795061120, 908641280, 1272097792, 1590122240, 1817282560, 2544195584, 3180244480, 6360488960, 12720977920]

約数ペア:

[(1, 12720977920), (2, 6360488960), (4, 3180244480), (5, 2544195584), (7, 1817282560), (8, 1590122240), (10, 1272097792), (14, 908641280), (16, 795061120), (20, 636048896), (28, 454320640), (32, 397530560), (35, 363456512), (40, 318024448), (56, 227160320), (64, 198765280), (70, 181728256), (80, 159012224), (103, 123504640), (112, 113580160), (128, 99382640), (140, 90864128), (160, 79506112), (206, 61752320), (224, 56790080), (256, 49691320), (280, 45432064), (320, 39753056), (412, 30876160), (448, 28395040), (512, 24845660), (515, 24700928), (560, 22716032), (640, 19876528), (721, 17643520), (824, 15438080), (896, 14197520), (1024, 12422830), (1030, 12350464), (1120, 11358016), (1280, 9938264), (1442, 8821760), (1648, 7719040), (1723, 7383040), (1792, 7098760), (2048, 6211415), (2060, 6175232), (2240, 5679008), (2560, 4969132), (2884, 4410880), (3296, 3859520), (3446, 3691520), (3584, 3549380), (3605, 3528704), (4120, 3087616), (4480, 2839504), (5120, 2484566), (5768, 2205440), (6592, 1929760), (6892, 1845760), (7168, 1774690), (7210, 1764352), (8240, 1543808), (8615, 1476608), (8960, 1419752), (10240, 1242283), (11536, 1102720), (12061, 1054720), (13184, 964880), (13784, 922880), (14336, 887345), (14420, 882176), (16480, 771904), (17230, 738304), (17920, 709876), (23072, 551360), (24122, 527360), (26368, 482440), (27568, 461440), (28840, 441088), (32960, 385952), (34460, 369152), (35840, 354938), (46144, 275680), (48244, 263680), (52736, 241220), (55136, 230720), (57680, 220544), (60305, 210944), (65920, 192976), (68920, 184576), (71680, 177469), (92288, 137840), (96488, 131840), (105472, 120610), (110272, 115360)]