81723168

素因数分解:

$2^5\times 3^4\times {\mathrm{41}}^1\times {\mathrm{769}}^1$

素因数の和:832

約数の個数: 120

約数和(自身を含む): 246527820

約数和(自身を除く): 164804652

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 41, 48, 54, 72, 81, 82, 96, 108, 123, 144, 162, 164, 216, 246, 288, 324, 328, 369, 432, 492, 648, 656, 738, 769, 864, 984, 1107, 1296, 1312, 1476, 1538, 1968, 2214, 2307, 2592, 2952, 3076, 3321, 3936, 4428, 4614, 5904, 6152, 6642, 6921, 8856, 9228, 11808, 12304, 13284, 13842, 17712, 18456, 20763, 24608, 26568, 27684, 31529, 35424, 36912, 41526, 53136, 55368, 62289, 63058, 73824, 83052, 94587, 106272, 110736, 124578, 126116, 166104, 189174, 221472, 249156, 252232, 283761, 332208, 378348, 498312, 504464, 567522, 664416, 756696, 851283, 996624, 1008928, 1135044, 1513392, 1702566, 1993248, 2270088, 2553849, 3026784, 3405132, 4540176, 5107698, 6810264, 9080352, 10215396, 13620528, 20430792, 27241056, 40861584, 81723168]

約数ペア:

[(1, 81723168), (2, 40861584), (3, 27241056), (4, 20430792), (6, 13620528), (8, 10215396), (9, 9080352), (12, 6810264), (16, 5107698), (18, 4540176), (24, 3405132), (27, 3026784), (32, 2553849), (36, 2270088), (41, 1993248), (48, 1702566), (54, 1513392), (72, 1135044), (81, 1008928), (82, 996624), (96, 851283), (108, 756696), (123, 664416), (144, 567522), (162, 504464), (164, 498312), (216, 378348), (246, 332208), (288, 283761), (324, 252232), (328, 249156), (369, 221472), (432, 189174), (492, 166104), (648, 126116), (656, 124578), (738, 110736), (769, 106272), (864, 94587), (984, 83052), (1107, 73824), (1296, 63058), (1312, 62289), (1476, 55368), (1538, 53136), (1968, 41526), (2214, 36912), (2307, 35424), (2592, 31529), (2952, 27684), (3076, 26568), (3321, 24608), (3936, 20763), (4428, 18456), (4614, 17712), (5904, 13842), (6152, 13284), (6642, 12304), (6921, 11808), (8856, 9228)]