678397440

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{12619}}^1$

素因数の和:12652

約数の個数: 160

約数和(自身を含む): 2478769920

約数和(自身を除く): 1800372480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3360, 3584, 3840, 4480, 5376, 6720, 7680, 8960, 10752, 12619, 13440, 17920, 25238, 26880, 37857, 50476, 53760, 63095, 75714, 88333, 100952, 126190, 151428, 176666, 189285, 201904, 252380, 264999, 302856, 353332, 378570, 403808, 441665, 504760, 529998, 605712, 706664, 757140, 807616, 883330, 1009520, 1059996, 1211424, 1324995, 1413328, 1514280, 1615232, 1766660, 2019040, 2119992, 2422848, 2649990, 2826656, 3028560, 3230464, 3533320, 4038080, 4239984, 4845696, 5299980, 5653312, 6057120, 6460928, 7066640, 8076160, 8479968, 9691392, 10599960, 11306624, 12114240, 14133280, 16152320, 16959936, 19382784, 21199920, 22613248, 24228480, 28266560, 32304640, 33919872, 42399840, 45226496, 48456960, 56533120, 67839744, 84799680, 96913920, 113066240, 135679488, 169599360, 226132480, 339198720, 678397440]

約数ペア:

[(1, 678397440), (2, 339198720), (3, 226132480), (4, 169599360), (5, 135679488), (6, 113066240), (7, 96913920), (8, 84799680), (10, 67839744), (12, 56533120), (14, 48456960), (15, 45226496), (16, 42399840), (20, 33919872), (21, 32304640), (24, 28266560), (28, 24228480), (30, 22613248), (32, 21199920), (35, 19382784), (40, 16959936), (42, 16152320), (48, 14133280), (56, 12114240), (60, 11306624), (64, 10599960), (70, 9691392), (80, 8479968), (84, 8076160), (96, 7066640), (105, 6460928), (112, 6057120), (120, 5653312), (128, 5299980), (140, 4845696), (160, 4239984), (168, 4038080), (192, 3533320), (210, 3230464), (224, 3028560), (240, 2826656), (256, 2649990), (280, 2422848), (320, 2119992), (336, 2019040), (384, 1766660), (420, 1615232), (448, 1514280), (480, 1413328), (512, 1324995), (560, 1211424), (640, 1059996), (672, 1009520), (768, 883330), (840, 807616), (896, 757140), (960, 706664), (1120, 605712), (1280, 529998), (1344, 504760), (1536, 441665), (1680, 403808), (1792, 378570), (1920, 353332), (2240, 302856), (2560, 264999), (2688, 252380), (3360, 201904), (3584, 189285), (3840, 176666), (4480, 151428), (5376, 126190), (6720, 100952), (7680, 88333), (8960, 75714), (10752, 63095), (12619, 53760), (13440, 50476), (17920, 37857), (25238, 26880)]