127684980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 400667904

約数和(自身を除く): 272982924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 97, 103, 142, 180, 194, 206, 213, 284, 291, 309, 355, 388, 412, 426, 485, 515, 582, 618, 639, 710, 852, 873, 927, 970, 1030, 1065, 1164, 1236, 1278, 1420, 1455, 1545, 1746, 1854, 1940, 2060, 2130, 2556, 2910, 3090, 3195, 3492, 3708, 4260, 4365, 4635, 5820, 6180, 6390, 6887, 7313, 8730, 9270, 9991, 12780, 13774, 14626, 17460, 18540, 19982, 20661, 21939, 27548, 29252, 29973, 34435, 36565, 39964, 41322, 43878, 49955, 59946, 61983, 65817, 68870, 73130, 82644, 87756, 89919, 99910, 103305, 109695, 119892, 123966, 131634, 137740, 146260, 149865, 179838, 199820, 206610, 219390, 247932, 263268, 299730, 309915, 329085, 359676, 413220, 438780, 449595, 599460, 619830, 658170, 709361, 899190, 1239660, 1316340, 1418722, 1798380, 2128083, 2837444, 3546805, 4256166, 6384249, 7093610, 8512332, 10640415, 12768498, 14187220, 21280830, 25536996, 31921245, 42561660, 63842490, 127684980]

約数ペア:

[(1, 127684980), (2, 63842490), (3, 42561660), (4, 31921245), (5, 25536996), (6, 21280830), (9, 14187220), (10, 12768498), (12, 10640415), (15, 8512332), (18, 7093610), (20, 6384249), (30, 4256166), (36, 3546805), (45, 2837444), (60, 2128083), (71, 1798380), (90, 1418722), (97, 1316340), (103, 1239660), (142, 899190), (180, 709361), (194, 658170), (206, 619830), (213, 599460), (284, 449595), (291, 438780), (309, 413220), (355, 359676), (388, 329085), (412, 309915), (426, 299730), (485, 263268), (515, 247932), (582, 219390), (618, 206610), (639, 199820), (710, 179838), (852, 149865), (873, 146260), (927, 137740), (970, 131634), (1030, 123966), (1065, 119892), (1164, 109695), (1236, 103305), (1278, 99910), (1420, 89919), (1455, 87756), (1545, 82644), (1746, 73130), (1854, 68870), (1940, 65817), (2060, 61983), (2130, 59946), (2556, 49955), (2910, 43878), (3090, 41322), (3195, 39964), (3492, 36565), (3708, 34435), (4260, 29973), (4365, 29252), (4635, 27548), (5820, 21939), (6180, 20661), (6390, 19982), (6887, 18540), (7313, 17460), (8730, 14626), (9270, 13774), (9991, 12780)]