87566320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 226070352

約数和(自身を除く): 138504032

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 67, 68, 80, 85, 124, 134, 136, 155, 170, 248, 268, 272, 310, 335, 340, 496, 527, 536, 620, 670, 680, 961, 1054, 1072, 1139, 1240, 1340, 1360, 1922, 2077, 2108, 2278, 2480, 2635, 2680, 3844, 4154, 4216, 4556, 4805, 5270, 5360, 5695, 7688, 8308, 8432, 9112, 9610, 10385, 10540, 11390, 15376, 16337, 16616, 18224, 19220, 20770, 21080, 22780, 32674, 33232, 35309, 38440, 41540, 42160, 45560, 64387, 65348, 70618, 76880, 81685, 83080, 91120, 128774, 130696, 141236, 163370, 166160, 176545, 257548, 261392, 282472, 321935, 326740, 353090, 515096, 564944, 643870, 653480, 706180, 1030192, 1094579, 1287740, 1306960, 1412360, 2189158, 2575480, 2824720, 4378316, 5150960, 5472895, 8756632, 10945790, 17513264, 21891580, 43783160, 87566320]

約数ペア:

[(1, 87566320), (2, 43783160), (4, 21891580), (5, 17513264), (8, 10945790), (10, 8756632), (16, 5472895), (17, 5150960), (20, 4378316), (31, 2824720), (34, 2575480), (40, 2189158), (62, 1412360), (67, 1306960), (68, 1287740), (80, 1094579), (85, 1030192), (124, 706180), (134, 653480), (136, 643870), (155, 564944), (170, 515096), (248, 353090), (268, 326740), (272, 321935), (310, 282472), (335, 261392), (340, 257548), (496, 176545), (527, 166160), (536, 163370), (620, 141236), (670, 130696), (680, 128774), (961, 91120), (1054, 83080), (1072, 81685), (1139, 76880), (1240, 70618), (1340, 65348), (1360, 64387), (1922, 45560), (2077, 42160), (2108, 41540), (2278, 38440), (2480, 35309), (2635, 33232), (2680, 32674), (3844, 22780), (4154, 21080), (4216, 20770), (4556, 19220), (4805, 18224), (5270, 16616), (5360, 16337), (5695, 15376), (7688, 11390), (8308, 10540), (8432, 10385), (9112, 9610)]