128579568

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:112

約数の個数: 240

約数和(自身を含む): 409307136

約数和(自身を除く): 280727568

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 23, 24, 26, 31, 34, 39, 46, 48, 51, 52, 62, 68, 69, 78, 92, 93, 102, 104, 124, 136, 138, 156, 184, 186, 204, 208, 221, 248, 272, 276, 289, 299, 312, 368, 372, 391, 403, 408, 442, 496, 527, 552, 578, 598, 624, 663, 713, 744, 782, 806, 816, 867, 884, 897, 1054, 1104, 1156, 1173, 1196, 1209, 1326, 1426, 1488, 1564, 1581, 1612, 1734, 1768, 1794, 2108, 2139, 2312, 2346, 2392, 2418, 2652, 2852, 3128, 3162, 3224, 3468, 3536, 3588, 3757, 4216, 4278, 4624, 4692, 4784, 4836, 5083, 5304, 5704, 6256, 6324, 6448, 6647, 6851, 6936, 7176, 7514, 8432, 8556, 8959, 9269, 9384, 9672, 10166, 10608, 11271, 11408, 12121, 12648, 13294, 13702, 13872, 14352, 15028, 15249, 17112, 17918, 18538, 18768, 19344, 19941, 20332, 20553, 22542, 24242, 25296, 26588, 26877, 27404, 27807, 30056, 30498, 34224, 35836, 36363, 37076, 39882, 40664, 41106, 45084, 48484, 53176, 53754, 54808, 55614, 60112, 60996, 71672, 72726, 74152, 79764, 81328, 82212, 86411, 90168, 96968, 106352, 107508, 109616, 111228, 116467, 121992, 143344, 145452, 148304, 157573, 159528, 164424, 172822, 180336, 193936, 206057, 215016, 222456, 232934, 243984, 259233, 290904, 315146, 319056, 328848, 345644, 349401, 412114, 430032, 444912, 465868, 472719, 518466, 581808, 618171, 630292, 691288, 698802, 824228, 931736, 945438, 1036932, 1236342, 1260584, 1382576, 1397604, 1648456, 1863472, 1890876, 2073864, 2472684, 2521168, 2678741, 2795208, 3296912, 3781752, 4147728, 4945368, 5357482, 5590416, 7563504, 8036223, 9890736, 10714964, 16072446, 21429928, 32144892, 42859856, 64289784, 128579568]

約数ペア:

[(1, 128579568), (2, 64289784), (3, 42859856), (4, 32144892), (6, 21429928), (8, 16072446), (12, 10714964), (13, 9890736), (16, 8036223), (17, 7563504), (23, 5590416), (24, 5357482), (26, 4945368), (31, 4147728), (34, 3781752), (39, 3296912), (46, 2795208), (48, 2678741), (51, 2521168), (52, 2472684), (62, 2073864), (68, 1890876), (69, 1863472), (78, 1648456), (92, 1397604), (93, 1382576), (102, 1260584), (104, 1236342), (124, 1036932), (136, 945438), (138, 931736), (156, 824228), (184, 698802), (186, 691288), (204, 630292), (208, 618171), (221, 581808), (248, 518466), (272, 472719), (276, 465868), (289, 444912), (299, 430032), (312, 412114), (368, 349401), (372, 345644), (391, 328848), (403, 319056), (408, 315146), (442, 290904), (496, 259233), (527, 243984), (552, 232934), (578, 222456), (598, 215016), (624, 206057), (663, 193936), (713, 180336), (744, 172822), (782, 164424), (806, 159528), (816, 157573), (867, 148304), (884, 145452), (897, 143344), (1054, 121992), (1104, 116467), (1156, 111228), (1173, 109616), (1196, 107508), (1209, 106352), (1326, 96968), (1426, 90168), (1488, 86411), (1564, 82212), (1581, 81328), (1612, 79764), (1734, 74152), (1768, 72726), (1794, 71672), (2108, 60996), (2139, 60112), (2312, 55614), (2346, 54808), (2392, 53754), (2418, 53176), (2652, 48484), (2852, 45084), (3128, 41106), (3162, 40664), (3224, 39882), (3468, 37076), (3536, 36363), (3588, 35836), (3757, 34224), (4216, 30498), (4278, 30056), (4624, 27807), (4692, 27404), (4784, 26877), (4836, 26588), (5083, 25296), (5304, 24242), (5704, 22542), (6256, 20553), (6324, 20332), (6448, 19941), (6647, 19344), (6851, 18768), (6936, 18538), (7176, 17918), (7514, 17112), (8432, 15249), (8556, 15028), (8959, 14352), (9269, 13872), (9384, 13702), (9672, 13294), (10166, 12648), (10608, 12121), (11271, 11408)]