678145986

素因数分解:

$2^1\times 3^3\times 7^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 256

約数和(自身を含む): 1935360000

約数和(自身を除く): 1257214014

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 41, 42, 47, 49, 54, 57, 63, 82, 94, 98, 114, 123, 126, 133, 141, 147, 171, 189, 246, 266, 282, 287, 294, 329, 342, 343, 369, 378, 399, 423, 441, 513, 574, 658, 686, 738, 779, 798, 846, 861, 882, 893, 931, 987, 1026, 1029, 1107, 1197, 1269, 1323, 1558, 1722, 1786, 1862, 1927, 1974, 2009, 2058, 2214, 2303, 2337, 2394, 2538, 2583, 2646, 2679, 2793, 2961, 3087, 3591, 3854, 4018, 4606, 4674, 5166, 5358, 5453, 5586, 5781, 5922, 6027, 6174, 6251, 6517, 6909, 7011, 7182, 7749, 8037, 8379, 8883, 9261, 10906, 11562, 12054, 12502, 13034, 13489, 13818, 14022, 14063, 15498, 16074, 16121, 16359, 16758, 17343, 17766, 18081, 18522, 18753, 19551, 20727, 21033, 24111, 25137, 26978, 28126, 32242, 32718, 34686, 36162, 36613, 37506, 38171, 39102, 40467, 41454, 42066, 42189, 43757, 48222, 48363, 49077, 50274, 52029, 54243, 56259, 58653, 62181, 73226, 76342, 80934, 84378, 87514, 94423, 96726, 98154, 104058, 108486, 109839, 112518, 114513, 117306, 121401, 124362, 126567, 131271, 145089, 147231, 168777, 175959, 188846, 219678, 229026, 242802, 253134, 256291, 262542, 267197, 283269, 290178, 294462, 306299, 329517, 337554, 343539, 351918, 364203, 379701, 393813, 435267, 512582, 534394, 566538, 612598, 659034, 660961, 687078, 728406, 759402, 768873, 787626, 801591, 849807, 870534, 918897, 988551, 1030617, 1181439, 1321922, 1537746, 1603182, 1699614, 1794037, 1837794, 1977102, 1982883, 2061234, 2306619, 2362878, 2404773, 2549421, 2756691, 3588074, 3965766, 4613238, 4809546, 5098842, 5382111, 5513382, 5948649, 6919857, 7214319, 8270073, 10764222, 11897298, 12558259, 13839714, 14428638, 16146333, 16540146, 17845947, 25116518, 32292666, 35691894, 37674777, 48438999, 75349554, 96877998, 113024331, 226048662, 339072993, 678145986]

約数ペア:

[(1, 678145986), (2, 339072993), (3, 226048662), (6, 113024331), (7, 96877998), (9, 75349554), (14, 48438999), (18, 37674777), (19, 35691894), (21, 32292666), (27, 25116518), (38, 17845947), (41, 16540146), (42, 16146333), (47, 14428638), (49, 13839714), (54, 12558259), (57, 11897298), (63, 10764222), (82, 8270073), (94, 7214319), (98, 6919857), (114, 5948649), (123, 5513382), (126, 5382111), (133, 5098842), (141, 4809546), (147, 4613238), (171, 3965766), (189, 3588074), (246, 2756691), (266, 2549421), (282, 2404773), (287, 2362878), (294, 2306619), (329, 2061234), (342, 1982883), (343, 1977102), (369, 1837794), (378, 1794037), (399, 1699614), (423, 1603182), (441, 1537746), (513, 1321922), (574, 1181439), (658, 1030617), (686, 988551), (738, 918897), (779, 870534), (798, 849807), (846, 801591), (861, 787626), (882, 768873), (893, 759402), (931, 728406), (987, 687078), (1026, 660961), (1029, 659034), (1107, 612598), (1197, 566538), (1269, 534394), (1323, 512582), (1558, 435267), (1722, 393813), (1786, 379701), (1862, 364203), (1927, 351918), (1974, 343539), (2009, 337554), (2058, 329517), (2214, 306299), (2303, 294462), (2337, 290178), (2394, 283269), (2538, 267197), (2583, 262542), (2646, 256291), (2679, 253134), (2793, 242802), (2961, 229026), (3087, 219678), (3591, 188846), (3854, 175959), (4018, 168777), (4606, 147231), (4674, 145089), (5166, 131271), (5358, 126567), (5453, 124362), (5586, 121401), (5781, 117306), (5922, 114513), (6027, 112518), (6174, 109839), (6251, 108486), (6517, 104058), (6909, 98154), (7011, 96726), (7182, 94423), (7749, 87514), (8037, 84378), (8379, 80934), (8883, 76342), (9261, 73226), (10906, 62181), (11562, 58653), (12054, 56259), (12502, 54243), (13034, 52029), (13489, 50274), (13818, 49077), (14022, 48363), (14063, 48222), (15498, 43757), (16074, 42189), (16121, 42066), (16359, 41454), (16758, 40467), (17343, 39102), (17766, 38171), (18081, 37506), (18522, 36613), (18753, 36162), (19551, 34686), (20727, 32718), (21033, 32242), (24111, 28126), (25137, 26978)]