81052160

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{4523}}^1$

素因数の和:4553

約数の個数: 80

約数和(自身を含む): 222146496

約数和(自身を除く): 141094336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 4523, 8960, 9046, 17920, 18092, 22615, 31661, 36184, 45230, 63322, 72368, 90460, 126644, 144736, 158305, 180920, 253288, 289472, 316610, 361840, 506576, 578944, 633220, 723680, 1013152, 1157888, 1266440, 1447360, 2026304, 2315776, 2532880, 2894720, 4052608, 5065760, 5789440, 8105216, 10131520, 11578880, 16210432, 20263040, 40526080, 81052160]

約数ペア:

[(1, 81052160), (2, 40526080), (4, 20263040), (5, 16210432), (7, 11578880), (8, 10131520), (10, 8105216), (14, 5789440), (16, 5065760), (20, 4052608), (28, 2894720), (32, 2532880), (35, 2315776), (40, 2026304), (56, 1447360), (64, 1266440), (70, 1157888), (80, 1013152), (112, 723680), (128, 633220), (140, 578944), (160, 506576), (224, 361840), (256, 316610), (280, 289472), (320, 253288), (448, 180920), (512, 158305), (560, 144736), (640, 126644), (896, 90460), (1120, 72368), (1280, 63322), (1792, 45230), (2240, 36184), (2560, 31661), (3584, 22615), (4480, 18092), (4523, 17920), (8960, 9046)]