668702976

素因数分解:

$2^8\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20249}}^1$

素因数の和:20311

約数の個数: 72

約数和(自身を含む): 1821204000

約数和(自身を除く): 1152501024

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 256, 258, 344, 384, 516, 688, 768, 1032, 1376, 2064, 2752, 4128, 5504, 8256, 11008, 16512, 20249, 33024, 40498, 60747, 80996, 121494, 161992, 242988, 323984, 485976, 647968, 870707, 971952, 1295936, 1741414, 1943904, 2591872, 2612121, 3482828, 3887808, 5183744, 5224242, 6965656, 7775616, 10448484, 13931312, 15551232, 20896968, 27862624, 41793936, 55725248, 83587872, 111450496, 167175744, 222900992, 334351488, 668702976]

約数ペア:

[(1, 668702976), (2, 334351488), (3, 222900992), (4, 167175744), (6, 111450496), (8, 83587872), (12, 55725248), (16, 41793936), (24, 27862624), (32, 20896968), (43, 15551232), (48, 13931312), (64, 10448484), (86, 7775616), (96, 6965656), (128, 5224242), (129, 5183744), (172, 3887808), (192, 3482828), (256, 2612121), (258, 2591872), (344, 1943904), (384, 1741414), (516, 1295936), (688, 971952), (768, 870707), (1032, 647968), (1376, 485976), (2064, 323984), (2752, 242988), (4128, 161992), (5504, 121494), (8256, 80996), (11008, 60747), (16512, 40498), (20249, 33024)]