1978397568

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1543}}^1$

素因数の和:1626

約数の個数: 256

約数和(自身を含む): 6803481600

約数和(自身を除く): 4825084032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 53, 54, 56, 63, 64, 72, 84, 96, 106, 108, 112, 126, 128, 144, 159, 168, 189, 192, 212, 216, 224, 252, 288, 318, 336, 371, 378, 384, 424, 432, 448, 477, 504, 576, 636, 672, 742, 756, 848, 864, 896, 954, 1008, 1113, 1152, 1272, 1344, 1431, 1484, 1512, 1543, 1696, 1728, 1908, 2016, 2226, 2544, 2688, 2862, 2968, 3024, 3086, 3339, 3392, 3456, 3816, 4032, 4452, 4629, 5088, 5724, 5936, 6048, 6172, 6678, 6784, 7632, 8064, 8904, 9258, 10017, 10176, 10801, 11448, 11872, 12096, 12344, 13356, 13887, 15264, 17808, 18516, 20034, 20352, 21602, 22896, 23744, 24192, 24688, 26712, 27774, 30528, 32403, 35616, 37032, 40068, 41661, 43204, 45792, 47488, 49376, 53424, 55548, 61056, 64806, 71232, 74064, 80136, 81779, 83322, 86408, 91584, 97209, 98752, 106848, 111096, 129612, 142464, 148128, 160272, 163558, 166644, 172816, 183168, 194418, 197504, 213696, 222192, 245337, 259224, 291627, 296256, 320544, 327116, 333288, 345632, 388836, 427392, 444384, 490674, 518448, 572453, 583254, 592512, 641088, 654232, 666576, 691264, 736011, 777672, 888768, 981348, 1036896, 1144906, 1166508, 1282176, 1308464, 1333152, 1382528, 1472022, 1555344, 1717359, 1777536, 1962696, 2073792, 2208033, 2289812, 2333016, 2616928, 2666304, 2944044, 3110688, 3434718, 3925392, 4147584, 4416066, 4579624, 4666032, 5152077, 5233856, 5332608, 5888088, 6221376, 6869436, 7850784, 8832132, 9159248, 9332064, 10304154, 10467712, 11776176, 12442752, 13738872, 15456231, 15701568, 17664264, 18318496, 18664128, 20608308, 23552352, 27477744, 30912462, 31403136, 35328528, 36636992, 37328256, 41216616, 47104704, 54955488, 61824924, 70657056, 73273984, 82433232, 94209408, 109910976, 123649848, 141314112, 164866464, 219821952, 247299696, 282628224, 329732928, 494599392, 659465856, 989198784, 1978397568]

約数ペア:

[(1, 1978397568), (2, 989198784), (3, 659465856), (4, 494599392), (6, 329732928), (7, 282628224), (8, 247299696), (9, 219821952), (12, 164866464), (14, 141314112), (16, 123649848), (18, 109910976), (21, 94209408), (24, 82433232), (27, 73273984), (28, 70657056), (32, 61824924), (36, 54955488), (42, 47104704), (48, 41216616), (53, 37328256), (54, 36636992), (56, 35328528), (63, 31403136), (64, 30912462), (72, 27477744), (84, 23552352), (96, 20608308), (106, 18664128), (108, 18318496), (112, 17664264), (126, 15701568), (128, 15456231), (144, 13738872), (159, 12442752), (168, 11776176), (189, 10467712), (192, 10304154), (212, 9332064), (216, 9159248), (224, 8832132), (252, 7850784), (288, 6869436), (318, 6221376), (336, 5888088), (371, 5332608), (378, 5233856), (384, 5152077), (424, 4666032), (432, 4579624), (448, 4416066), (477, 4147584), (504, 3925392), (576, 3434718), (636, 3110688), (672, 2944044), (742, 2666304), (756, 2616928), (848, 2333016), (864, 2289812), (896, 2208033), (954, 2073792), (1008, 1962696), (1113, 1777536), (1152, 1717359), (1272, 1555344), (1344, 1472022), (1431, 1382528), (1484, 1333152), (1512, 1308464), (1543, 1282176), (1696, 1166508), (1728, 1144906), (1908, 1036896), (2016, 981348), (2226, 888768), (2544, 777672), (2688, 736011), (2862, 691264), (2968, 666576), (3024, 654232), (3086, 641088), (3339, 592512), (3392, 583254), (3456, 572453), (3816, 518448), (4032, 490674), (4452, 444384), (4629, 427392), (5088, 388836), (5724, 345632), (5936, 333288), (6048, 327116), (6172, 320544), (6678, 296256), (6784, 291627), (7632, 259224), (8064, 245337), (8904, 222192), (9258, 213696), (10017, 197504), (10176, 194418), (10801, 183168), (11448, 172816), (11872, 166644), (12096, 163558), (12344, 160272), (13356, 148128), (13887, 142464), (15264, 129612), (17808, 111096), (18516, 106848), (20034, 98752), (20352, 97209), (21602, 91584), (22896, 86408), (23744, 83322), (24192, 81779), (24688, 80136), (26712, 74064), (27774, 71232), (30528, 64806), (32403, 61056), (35616, 55548), (37032, 53424), (40068, 49376), (41661, 47488), (43204, 45792)]