128639824

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 271411200

約数和(自身を除く): 142771376

約数列:

[1, 2, 4, 8, 16, 29, 37, 58, 59, 74, 116, 118, 127, 148, 232, 236, 254, 296, 464, 472, 508, 592, 944, 1016, 1073, 1711, 2032, 2146, 2183, 3422, 3683, 4292, 4366, 4699, 6844, 7366, 7493, 8584, 8732, 9398, 13688, 14732, 14986, 17168, 17464, 18796, 27376, 29464, 29972, 34928, 37592, 58928, 59944, 63307, 75184, 119888, 126614, 136271, 217297, 253228, 272542, 277241, 434594, 506456, 545084, 554482, 869188, 1012912, 1090168, 1108964, 1738376, 2180336, 2217928, 3476752, 4435856, 8039989, 16079978, 32159956, 64319912, 128639824]

約数ペア:

[(1, 128639824), (2, 64319912), (4, 32159956), (8, 16079978), (16, 8039989), (29, 4435856), (37, 3476752), (58, 2217928), (59, 2180336), (74, 1738376), (116, 1108964), (118, 1090168), (127, 1012912), (148, 869188), (232, 554482), (236, 545084), (254, 506456), (296, 434594), (464, 277241), (472, 272542), (508, 253228), (592, 217297), (944, 136271), (1016, 126614), (1073, 119888), (1711, 75184), (2032, 63307), (2146, 59944), (2183, 58928), (3422, 37592), (3683, 34928), (4292, 29972), (4366, 29464), (4699, 27376), (6844, 18796), (7366, 17464), (7493, 17168), (8584, 14986), (8732, 14732), (9398, 13688)]