256019328

素因数分解:

$2^7\times 3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 192

約数和(自身を含む): 779051520

約数和(自身を除く): 523032192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 67, 72, 93, 96, 107, 124, 128, 134, 144, 186, 192, 201, 214, 248, 268, 279, 288, 321, 372, 384, 402, 428, 496, 536, 558, 576, 603, 642, 744, 804, 856, 963, 992, 1072, 1116, 1152, 1206, 1284, 1488, 1608, 1712, 1926, 1984, 2077, 2144, 2232, 2412, 2568, 2976, 3216, 3317, 3424, 3852, 3968, 4154, 4288, 4464, 4824, 5136, 5952, 6231, 6432, 6634, 6848, 7169, 7704, 8308, 8576, 8928, 9648, 9951, 10272, 11904, 12462, 12864, 13268, 13696, 14338, 15408, 16616, 17856, 18693, 19296, 19902, 20544, 21507, 24924, 25728, 26536, 28676, 29853, 30816, 33232, 35712, 37386, 38592, 39804, 41088, 43014, 49848, 53072, 57352, 59706, 61632, 64521, 66464, 74772, 77184, 79608, 86028, 99696, 106144, 114704, 119412, 123264, 129042, 132928, 149544, 159216, 172056, 199392, 212288, 222239, 229408, 238824, 258084, 265856, 299088, 318432, 344112, 398784, 424576, 444478, 458816, 477648, 516168, 598176, 636864, 666717, 688224, 797568, 888956, 917632, 955296, 1032336, 1196352, 1273728, 1333434, 1376448, 1777912, 1910592, 2000151, 2064672, 2392704, 2666868, 2752896, 3555824, 3821184, 4000302, 4129344, 5333736, 7111648, 8000604, 8258688, 10667472, 14223296, 16001208, 21334944, 28446592, 32002416, 42669888, 64004832, 85339776, 128009664, 256019328]

約数ペア:

[(1, 256019328), (2, 128009664), (3, 85339776), (4, 64004832), (6, 42669888), (8, 32002416), (9, 28446592), (12, 21334944), (16, 16001208), (18, 14223296), (24, 10667472), (31, 8258688), (32, 8000604), (36, 7111648), (48, 5333736), (62, 4129344), (64, 4000302), (67, 3821184), (72, 3555824), (93, 2752896), (96, 2666868), (107, 2392704), (124, 2064672), (128, 2000151), (134, 1910592), (144, 1777912), (186, 1376448), (192, 1333434), (201, 1273728), (214, 1196352), (248, 1032336), (268, 955296), (279, 917632), (288, 888956), (321, 797568), (372, 688224), (384, 666717), (402, 636864), (428, 598176), (496, 516168), (536, 477648), (558, 458816), (576, 444478), (603, 424576), (642, 398784), (744, 344112), (804, 318432), (856, 299088), (963, 265856), (992, 258084), (1072, 238824), (1116, 229408), (1152, 222239), (1206, 212288), (1284, 199392), (1488, 172056), (1608, 159216), (1712, 149544), (1926, 132928), (1984, 129042), (2077, 123264), (2144, 119412), (2232, 114704), (2412, 106144), (2568, 99696), (2976, 86028), (3216, 79608), (3317, 77184), (3424, 74772), (3852, 66464), (3968, 64521), (4154, 61632), (4288, 59706), (4464, 57352), (4824, 53072), (5136, 49848), (5952, 43014), (6231, 41088), (6432, 39804), (6634, 38592), (6848, 37386), (7169, 35712), (7704, 33232), (8308, 30816), (8576, 29853), (8928, 28676), (9648, 26536), (9951, 25728), (10272, 24924), (11904, 21507), (12462, 20544), (12864, 19902), (13268, 19296), (13696, 18693), (14338, 17856), (15408, 16616)]