257159136

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:114

約数の個数: 288

約数和(自身を含む): 831817728

約数和(自身を除く): 574658592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 23, 24, 26, 31, 32, 34, 39, 46, 48, 51, 52, 62, 68, 69, 78, 92, 93, 96, 102, 104, 124, 136, 138, 156, 184, 186, 204, 208, 221, 248, 272, 276, 289, 299, 312, 368, 372, 391, 403, 408, 416, 442, 496, 527, 544, 552, 578, 598, 624, 663, 713, 736, 744, 782, 806, 816, 867, 884, 897, 992, 1054, 1104, 1156, 1173, 1196, 1209, 1248, 1326, 1426, 1488, 1564, 1581, 1612, 1632, 1734, 1768, 1794, 2108, 2139, 2208, 2312, 2346, 2392, 2418, 2652, 2852, 2976, 3128, 3162, 3224, 3468, 3536, 3588, 3757, 4216, 4278, 4624, 4692, 4784, 4836, 5083, 5304, 5704, 6256, 6324, 6448, 6647, 6851, 6936, 7072, 7176, 7514, 8432, 8556, 8959, 9248, 9269, 9384, 9568, 9672, 10166, 10608, 11271, 11408, 12121, 12512, 12648, 12896, 13294, 13702, 13872, 14352, 15028, 15249, 16864, 17112, 17918, 18538, 18768, 19344, 19941, 20332, 20553, 21216, 22542, 22816, 24242, 25296, 26588, 26877, 27404, 27744, 27807, 28704, 30056, 30498, 34224, 35836, 36363, 37076, 37536, 38688, 39882, 40664, 41106, 45084, 48484, 50592, 53176, 53754, 54808, 55614, 60112, 60996, 68448, 71672, 72726, 74152, 79764, 81328, 82212, 86411, 90168, 96968, 106352, 107508, 109616, 111228, 116467, 120224, 121992, 143344, 145452, 148304, 157573, 159528, 162656, 164424, 172822, 180336, 193936, 206057, 212704, 215016, 219232, 222456, 232934, 243984, 259233, 286688, 290904, 296608, 315146, 319056, 328848, 345644, 349401, 360672, 387872, 412114, 430032, 444912, 465868, 472719, 487968, 518466, 581808, 618171, 630292, 638112, 657696, 691288, 698802, 824228, 860064, 889824, 931736, 945438, 1036932, 1163616, 1236342, 1260584, 1382576, 1397604, 1648456, 1863472, 1890876, 2073864, 2472684, 2521168, 2678741, 2765152, 2795208, 3296912, 3726944, 3781752, 4147728, 4945368, 5042336, 5357482, 5590416, 6593824, 7563504, 8036223, 8295456, 9890736, 10714964, 11180832, 15127008, 16072446, 19781472, 21429928, 32144892, 42859856, 64289784, 85719712, 128579568, 257159136]

約数ペア:

[(1, 257159136), (2, 128579568), (3, 85719712), (4, 64289784), (6, 42859856), (8, 32144892), (12, 21429928), (13, 19781472), (16, 16072446), (17, 15127008), (23, 11180832), (24, 10714964), (26, 9890736), (31, 8295456), (32, 8036223), (34, 7563504), (39, 6593824), (46, 5590416), (48, 5357482), (51, 5042336), (52, 4945368), (62, 4147728), (68, 3781752), (69, 3726944), (78, 3296912), (92, 2795208), (93, 2765152), (96, 2678741), (102, 2521168), (104, 2472684), (124, 2073864), (136, 1890876), (138, 1863472), (156, 1648456), (184, 1397604), (186, 1382576), (204, 1260584), (208, 1236342), (221, 1163616), (248, 1036932), (272, 945438), (276, 931736), (289, 889824), (299, 860064), (312, 824228), (368, 698802), (372, 691288), (391, 657696), (403, 638112), (408, 630292), (416, 618171), (442, 581808), (496, 518466), (527, 487968), (544, 472719), (552, 465868), (578, 444912), (598, 430032), (624, 412114), (663, 387872), (713, 360672), (736, 349401), (744, 345644), (782, 328848), (806, 319056), (816, 315146), (867, 296608), (884, 290904), (897, 286688), (992, 259233), (1054, 243984), (1104, 232934), (1156, 222456), (1173, 219232), (1196, 215016), (1209, 212704), (1248, 206057), (1326, 193936), (1426, 180336), (1488, 172822), (1564, 164424), (1581, 162656), (1612, 159528), (1632, 157573), (1734, 148304), (1768, 145452), (1794, 143344), (2108, 121992), (2139, 120224), (2208, 116467), (2312, 111228), (2346, 109616), (2392, 107508), (2418, 106352), (2652, 96968), (2852, 90168), (2976, 86411), (3128, 82212), (3162, 81328), (3224, 79764), (3468, 74152), (3536, 72726), (3588, 71672), (3757, 68448), (4216, 60996), (4278, 60112), (4624, 55614), (4692, 54808), (4784, 53754), (4836, 53176), (5083, 50592), (5304, 48484), (5704, 45084), (6256, 41106), (6324, 40664), (6448, 39882), (6647, 38688), (6851, 37536), (6936, 37076), (7072, 36363), (7176, 35836), (7514, 34224), (8432, 30498), (8556, 30056), (8959, 28704), (9248, 27807), (9269, 27744), (9384, 27404), (9568, 26877), (9672, 26588), (10166, 25296), (10608, 24242), (11271, 22816), (11408, 22542), (12121, 21216), (12512, 20553), (12648, 20332), (12896, 19941), (13294, 19344), (13702, 18768), (13872, 18538), (14352, 17918), (15028, 17112), (15249, 16864)]