81863568

素因数分解:

$2^4\times 3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:262

約数の個数: 160

約数和(自身を含む): 253912320

約数和(自身を除く): 172048752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 48, 51, 54, 68, 71, 72, 102, 108, 136, 142, 144, 153, 157, 204, 213, 216, 272, 284, 306, 314, 408, 426, 432, 459, 471, 568, 612, 628, 639, 816, 852, 918, 942, 1136, 1207, 1224, 1256, 1278, 1413, 1704, 1836, 1884, 1917, 2414, 2448, 2512, 2556, 2669, 2826, 3408, 3621, 3672, 3768, 3834, 4239, 4828, 5112, 5338, 5652, 7242, 7344, 7536, 7668, 8007, 8478, 9656, 10224, 10676, 10863, 11147, 11304, 14484, 15336, 16014, 16956, 19312, 21352, 21726, 22294, 22608, 24021, 28968, 30672, 32028, 32589, 33441, 33912, 42704, 43452, 44588, 48042, 57936, 64056, 65178, 66882, 67824, 72063, 86904, 89176, 96084, 100323, 128112, 130356, 133764, 144126, 173808, 178352, 189499, 192168, 200646, 260712, 267528, 288252, 300969, 378998, 384336, 401292, 521424, 535056, 568497, 576504, 601938, 757996, 802584, 1136994, 1153008, 1203876, 1515992, 1605168, 1705491, 2273988, 2407752, 3031984, 3410982, 4547976, 4815504, 5116473, 6821964, 9095952, 10232946, 13643928, 20465892, 27287856, 40931784, 81863568]

約数ペア:

[(1, 81863568), (2, 40931784), (3, 27287856), (4, 20465892), (6, 13643928), (8, 10232946), (9, 9095952), (12, 6821964), (16, 5116473), (17, 4815504), (18, 4547976), (24, 3410982), (27, 3031984), (34, 2407752), (36, 2273988), (48, 1705491), (51, 1605168), (54, 1515992), (68, 1203876), (71, 1153008), (72, 1136994), (102, 802584), (108, 757996), (136, 601938), (142, 576504), (144, 568497), (153, 535056), (157, 521424), (204, 401292), (213, 384336), (216, 378998), (272, 300969), (284, 288252), (306, 267528), (314, 260712), (408, 200646), (426, 192168), (432, 189499), (459, 178352), (471, 173808), (568, 144126), (612, 133764), (628, 130356), (639, 128112), (816, 100323), (852, 96084), (918, 89176), (942, 86904), (1136, 72063), (1207, 67824), (1224, 66882), (1256, 65178), (1278, 64056), (1413, 57936), (1704, 48042), (1836, 44588), (1884, 43452), (1917, 42704), (2414, 33912), (2448, 33441), (2512, 32589), (2556, 32028), (2669, 30672), (2826, 28968), (3408, 24021), (3621, 22608), (3672, 22294), (3768, 21726), (3834, 21352), (4239, 19312), (4828, 16956), (5112, 16014), (5338, 15336), (5652, 14484), (7242, 11304), (7344, 11147), (7536, 10863), (7668, 10676), (8007, 10224), (8478, 9656)]