81593280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:755

約数の個数: 168

約数和(自身を含む): 287907984

約数和(自身を除く): 206314704

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 64, 72, 80, 82, 90, 96, 120, 123, 144, 160, 164, 180, 192, 205, 240, 246, 288, 320, 328, 360, 369, 410, 480, 492, 576, 615, 656, 691, 720, 738, 820, 960, 984, 1230, 1312, 1382, 1440, 1476, 1640, 1845, 1968, 2073, 2460, 2624, 2764, 2880, 2952, 3280, 3455, 3690, 3936, 4146, 4920, 5528, 5904, 6219, 6560, 6910, 7380, 7872, 8292, 9840, 10365, 11056, 11808, 12438, 13120, 13820, 14760, 16584, 19680, 20730, 22112, 23616, 24876, 27640, 28331, 29520, 31095, 33168, 39360, 41460, 44224, 49752, 55280, 56662, 59040, 62190, 66336, 82920, 84993, 99504, 110560, 113324, 118080, 124380, 132672, 141655, 165840, 169986, 199008, 221120, 226648, 248760, 254979, 283310, 331680, 339972, 398016, 424965, 453296, 497520, 509958, 566620, 663360, 679944, 849930, 906592, 995040, 1019916, 1133240, 1274895, 1359888, 1699860, 1813184, 1990080, 2039832, 2266480, 2549790, 2719776, 3399720, 4079664, 4532960, 5099580, 5439552, 6799440, 8159328, 9065920, 10199160, 13598880, 16318656, 20398320, 27197760, 40796640, 81593280]

約数ペア:

[(1, 81593280), (2, 40796640), (3, 27197760), (4, 20398320), (5, 16318656), (6, 13598880), (8, 10199160), (9, 9065920), (10, 8159328), (12, 6799440), (15, 5439552), (16, 5099580), (18, 4532960), (20, 4079664), (24, 3399720), (30, 2719776), (32, 2549790), (36, 2266480), (40, 2039832), (41, 1990080), (45, 1813184), (48, 1699860), (60, 1359888), (64, 1274895), (72, 1133240), (80, 1019916), (82, 995040), (90, 906592), (96, 849930), (120, 679944), (123, 663360), (144, 566620), (160, 509958), (164, 497520), (180, 453296), (192, 424965), (205, 398016), (240, 339972), (246, 331680), (288, 283310), (320, 254979), (328, 248760), (360, 226648), (369, 221120), (410, 199008), (480, 169986), (492, 165840), (576, 141655), (615, 132672), (656, 124380), (691, 118080), (720, 113324), (738, 110560), (820, 99504), (960, 84993), (984, 82920), (1230, 66336), (1312, 62190), (1382, 59040), (1440, 56662), (1476, 55280), (1640, 49752), (1845, 44224), (1968, 41460), (2073, 39360), (2460, 33168), (2624, 31095), (2764, 29520), (2880, 28331), (2952, 27640), (3280, 24876), (3455, 23616), (3690, 22112), (3936, 20730), (4146, 19680), (4920, 16584), (5528, 14760), (5904, 13820), (6219, 13120), (6560, 12438), (6910, 11808), (7380, 11056), (7872, 10365), (8292, 9840)]