1978755563232

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{1487}}^1\times {\mathrm{660071}}^1$

素因数の和:661581

約数の個数: 144

約数和(自身を含む): 6435290115072

約数和(自身を除く): 4456534551840

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 1487, 2016, 2974, 4461, 5948, 8922, 10409, 11896, 13383, 17844, 20818, 23792, 26766, 31227, 35688, 41636, 47584, 53532, 62454, 71376, 83272, 93681, 107064, 124908, 142752, 166544, 187362, 214128, 249816, 333088, 374724, 428256, 499632, 660071, 749448, 999264, 1320142, 1498896, 1980213, 2640284, 2997792, 3960426, 4620497, 5280568, 5940639, 7920852, 9240994, 10561136, 11881278, 13861491, 15841704, 18481988, 21122272, 23762556, 27722982, 31683408, 36963976, 41584473, 47525112, 55445964, 63366816, 73927952, 83168946, 95050224, 110891928, 147855904, 166337892, 190100448, 221783856, 332675784, 443567712, 665351568, 981525577, 1330703136, 1963051154, 2944576731, 3926102308, 5889153462, 6870679039, 7852204616, 8833730193, 11778306924, 13741358078, 15704409232, 17667460386, 20612037117, 23556613848, 27482716156, 31408818464, 35334920772, 41224074234, 47113227696, 54965432312, 61836111351, 70669841544, 82448148468, 94226455392, 109930864624, 123672222702, 141339683088, 164896296936, 219861729248, 247344445404, 282679366176, 329792593872, 494688890808, 659585187744, 989377781616, 1978755563232]

約数ペア:

[(1, 1978755563232), (2, 989377781616), (3, 659585187744), (4, 494688890808), (6, 329792593872), (7, 282679366176), (8, 247344445404), (9, 219861729248), (12, 164896296936), (14, 141339683088), (16, 123672222702), (18, 109930864624), (21, 94226455392), (24, 82448148468), (28, 70669841544), (32, 61836111351), (36, 54965432312), (42, 47113227696), (48, 41224074234), (56, 35334920772), (63, 31408818464), (72, 27482716156), (84, 23556613848), (96, 20612037117), (112, 17667460386), (126, 15704409232), (144, 13741358078), (168, 11778306924), (224, 8833730193), (252, 7852204616), (288, 6870679039), (336, 5889153462), (504, 3926102308), (672, 2944576731), (1008, 1963051154), (1487, 1330703136), (2016, 981525577), (2974, 665351568), (4461, 443567712), (5948, 332675784), (8922, 221783856), (10409, 190100448), (11896, 166337892), (13383, 147855904), (17844, 110891928), (20818, 95050224), (23792, 83168946), (26766, 73927952), (31227, 63366816), (35688, 55445964), (41636, 47525112), (47584, 41584473), (53532, 36963976), (62454, 31683408), (71376, 27722982), (83272, 23762556), (93681, 21122272), (107064, 18481988), (124908, 15841704), (142752, 13861491), (166544, 11881278), (187362, 10561136), (214128, 9240994), (249816, 7920852), (333088, 5940639), (374724, 5280568), (428256, 4620497), (499632, 3960426), (660071, 2997792), (749448, 2640284), (999264, 1980213), (1320142, 1498896)]