80457840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{193}}^2$

素因数の和:408

約数の個数: 120

約数和(自身を含む): 278575920

約数和(自身を除く): 198118080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 193, 216, 240, 270, 360, 386, 432, 540, 579, 720, 772, 965, 1080, 1158, 1544, 1737, 1930, 2160, 2316, 2895, 3088, 3474, 3860, 4632, 5211, 5790, 6948, 7720, 8685, 9264, 10422, 11580, 13896, 15440, 17370, 20844, 23160, 26055, 27792, 34740, 37249, 41688, 46320, 52110, 69480, 74498, 83376, 104220, 111747, 138960, 148996, 186245, 208440, 223494, 297992, 335241, 372490, 416880, 446988, 558735, 595984, 670482, 744980, 893976, 1005723, 1117470, 1340964, 1489960, 1676205, 1787952, 2011446, 2234940, 2681928, 2979920, 3352410, 4022892, 4469880, 5028615, 5363856, 6704820, 8045784, 8939760, 10057230, 13409640, 16091568, 20114460, 26819280, 40228920, 80457840]

約数ペア:

[(1, 80457840), (2, 40228920), (3, 26819280), (4, 20114460), (5, 16091568), (6, 13409640), (8, 10057230), (9, 8939760), (10, 8045784), (12, 6704820), (15, 5363856), (16, 5028615), (18, 4469880), (20, 4022892), (24, 3352410), (27, 2979920), (30, 2681928), (36, 2234940), (40, 2011446), (45, 1787952), (48, 1676205), (54, 1489960), (60, 1340964), (72, 1117470), (80, 1005723), (90, 893976), (108, 744980), (120, 670482), (135, 595984), (144, 558735), (180, 446988), (193, 416880), (216, 372490), (240, 335241), (270, 297992), (360, 223494), (386, 208440), (432, 186245), (540, 148996), (579, 138960), (720, 111747), (772, 104220), (965, 83376), (1080, 74498), (1158, 69480), (1544, 52110), (1737, 46320), (1930, 41688), (2160, 37249), (2316, 34740), (2895, 27792), (3088, 26055), (3474, 23160), (3860, 20844), (4632, 17370), (5211, 15440), (5790, 13896), (6948, 11580), (7720, 10422), (8685, 9264)]