20988694080

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{809749}}^1$

素因数の和:809778

約数の個数: 140

約数和(自身を含む): 74660569500

約数和(自身を除く): 53671875420

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 12960, 25920, 809749, 1619498, 2429247, 3238996, 4048745, 4858494, 6477992, 7287741, 8097490, 9716988, 12146235, 12955984, 14575482, 16194980, 19433976, 21863223, 24292470, 25911968, 29150964, 32389960, 36438705, 38867952, 43726446, 48584940, 51823936, 58301928, 64779920, 65589669, 72877410, 77735904, 87452892, 97169880, 109316115, 116603856, 129559840, 131179338, 145754820, 155471808, 174905784, 194339760, 218632230, 233207712, 259119680, 262358676, 291509640, 327948345, 349811568, 388679520, 437264460, 466415424, 524717352, 583019280, 655896690, 699623136, 777359040, 874528920, 1049434704, 1166038560, 1311793380, 1399246272, 1749057840, 2098869408, 2332077120, 2623586760, 3498115680, 4197738816, 5247173520, 6996231360, 10494347040, 20988694080]

約数ペア:

[(1, 20988694080), (2, 10494347040), (3, 6996231360), (4, 5247173520), (5, 4197738816), (6, 3498115680), (8, 2623586760), (9, 2332077120), (10, 2098869408), (12, 1749057840), (15, 1399246272), (16, 1311793380), (18, 1166038560), (20, 1049434704), (24, 874528920), (27, 777359040), (30, 699623136), (32, 655896690), (36, 583019280), (40, 524717352), (45, 466415424), (48, 437264460), (54, 388679520), (60, 349811568), (64, 327948345), (72, 291509640), (80, 262358676), (81, 259119680), (90, 233207712), (96, 218632230), (108, 194339760), (120, 174905784), (135, 155471808), (144, 145754820), (160, 131179338), (162, 129559840), (180, 116603856), (192, 109316115), (216, 97169880), (240, 87452892), (270, 77735904), (288, 72877410), (320, 65589669), (324, 64779920), (360, 58301928), (405, 51823936), (432, 48584940), (480, 43726446), (540, 38867952), (576, 36438705), (648, 32389960), (720, 29150964), (810, 25911968), (864, 24292470), (960, 21863223), (1080, 19433976), (1296, 16194980), (1440, 14575482), (1620, 12955984), (1728, 12146235), (2160, 9716988), (2592, 8097490), (2880, 7287741), (3240, 6477992), (4320, 4858494), (5184, 4048745), (6480, 3238996), (8640, 2429247), (12960, 1619498), (25920, 809749)]