81872046

素因数分解:

$2^1\times 3^5\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 196691040

約数和(自身を除く): 114818994

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 37, 54, 58, 74, 81, 87, 111, 157, 162, 174, 222, 243, 261, 314, 333, 471, 486, 522, 666, 783, 942, 999, 1073, 1413, 1566, 1998, 2146, 2349, 2826, 2997, 3219, 4239, 4553, 4698, 5809, 5994, 6438, 7047, 8478, 8991, 9106, 9657, 11618, 12717, 13659, 14094, 17427, 17982, 19314, 25434, 27318, 28971, 34854, 38151, 40977, 52281, 57942, 76302, 81954, 86913, 104562, 122931, 156843, 168461, 173826, 245862, 260739, 313686, 336922, 368793, 470529, 505383, 521478, 737586, 941058, 1010766, 1106379, 1411587, 1516149, 2212758, 2823174, 3032298, 4548447, 9096894, 13645341, 27290682, 40936023, 81872046]

約数ペア:

[(1, 81872046), (2, 40936023), (3, 27290682), (6, 13645341), (9, 9096894), (18, 4548447), (27, 3032298), (29, 2823174), (37, 2212758), (54, 1516149), (58, 1411587), (74, 1106379), (81, 1010766), (87, 941058), (111, 737586), (157, 521478), (162, 505383), (174, 470529), (222, 368793), (243, 336922), (261, 313686), (314, 260739), (333, 245862), (471, 173826), (486, 168461), (522, 156843), (666, 122931), (783, 104562), (942, 86913), (999, 81954), (1073, 76302), (1413, 57942), (1566, 52281), (1998, 40977), (2146, 38151), (2349, 34854), (2826, 28971), (2997, 27318), (3219, 25434), (4239, 19314), (4553, 17982), (4698, 17427), (5809, 14094), (5994, 13659), (6438, 12717), (7047, 11618), (8478, 9657), (8991, 9106)]