20815475040

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{7517}}^1$

素因数の和:8182

約数の個数: 192

約数和(自身を含む): 72977526720

約数和(自身を除く): 52162051680

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, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 641, 720, 864, 1080, 1282, 1440, 1923, 2160, 2564, 3205, 3846, 4320, 5128, 5769, 6410, 7517, 7692, 9615, 10256, 11538, 12820, 15034, 15384, 17307, 19230, 20512, 22551, 23076, 25640, 28845, 30068, 30768, 34614, 37585, 38460, 45102, 46152, 51280, 57690, 60136, 61536, 67653, 69228, 75170, 76920, 86535, 90204, 92304, 102560, 112755, 115380, 120272, 135306, 138456, 150340, 153840, 173070, 180408, 184608, 202959, 225510, 230760, 240544, 270612, 276912, 300680, 307680, 338265, 346140, 360816, 405918, 451020, 461520, 541224, 553824, 601360, 676530, 692280, 721632, 811836, 902040, 923040, 1014795, 1082448, 1202720, 1353060, 1384560, 1623672, 1804080, 2029590, 2164896, 2706120, 2769120, 3247344, 3608160, 4059180, 4818397, 5412240, 6494688, 8118360, 9636794, 10824480, 14455191, 16236720, 19273588, 24091985, 28910382, 32473440, 38547176, 43365573, 48183970, 57820764, 72275955, 77094352, 86731146, 96367940, 115641528, 130096719, 144551910, 154188704, 173462292, 192735880, 216827865, 231283056, 260193438, 289103820, 346924584, 385471760, 433655730, 462566112, 520386876, 578207640, 650483595, 693849168, 770943520, 867311460, 1040773752, 1156415280, 1300967190, 1387698336, 1734622920, 2081547504, 2312830560, 2601934380, 3469245840, 4163095008, 5203868760, 6938491680, 10407737520, 20815475040]

約数ペア:

[(1, 20815475040), (2, 10407737520), (3, 6938491680), (4, 5203868760), (5, 4163095008), (6, 3469245840), (8, 2601934380), (9, 2312830560), (10, 2081547504), (12, 1734622920), (15, 1387698336), (16, 1300967190), (18, 1156415280), (20, 1040773752), (24, 867311460), (27, 770943520), (30, 693849168), (32, 650483595), (36, 578207640), (40, 520386876), (45, 462566112), (48, 433655730), (54, 385471760), (60, 346924584), (72, 289103820), (80, 260193438), (90, 231283056), (96, 216827865), (108, 192735880), (120, 173462292), (135, 154188704), (144, 144551910), (160, 130096719), (180, 115641528), (216, 96367940), (240, 86731146), (270, 77094352), (288, 72275955), (360, 57820764), (432, 48183970), (480, 43365573), (540, 38547176), (641, 32473440), (720, 28910382), (864, 24091985), (1080, 19273588), (1282, 16236720), (1440, 14455191), (1923, 10824480), (2160, 9636794), (2564, 8118360), (3205, 6494688), (3846, 5412240), (4320, 4818397), (5128, 4059180), (5769, 3608160), (6410, 3247344), (7517, 2769120), (7692, 2706120), (9615, 2164896), (10256, 2029590), (11538, 1804080), (12820, 1623672), (15034, 1384560), (15384, 1353060), (17307, 1202720), (19230, 1082448), (20512, 1014795), (22551, 923040), (23076, 902040), (25640, 811836), (28845, 721632), (30068, 692280), (30768, 676530), (34614, 601360), (37585, 553824), (38460, 541224), (45102, 461520), (46152, 451020), (51280, 405918), (57690, 360816), (60136, 346140), (61536, 338265), (67653, 307680), (69228, 300680), (75170, 276912), (76920, 270612), (86535, 240544), (90204, 230760), (92304, 225510), (102560, 202959), (112755, 184608), (115380, 180408), (120272, 173070), (135306, 153840), (138456, 150340)]