42129920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{2351}}^1$

素因数の和:2381

約数の個数: 80

約数和(自身を含む): 115492608

約数和(自身を除く): 73362688

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, 2351, 2560, 3584, 4480, 4702, 8960, 9404, 11755, 16457, 17920, 18808, 23510, 32914, 37616, 47020, 65828, 75232, 82285, 94040, 131656, 150464, 164570, 188080, 263312, 300928, 329140, 376160, 526624, 601856, 658280, 752320, 1053248, 1203712, 1316560, 1504640, 2106496, 2633120, 3009280, 4212992, 5266240, 6018560, 8425984, 10532480, 21064960, 42129920]

約数ペア:

[(1, 42129920), (2, 21064960), (4, 10532480), (5, 8425984), (7, 6018560), (8, 5266240), (10, 4212992), (14, 3009280), (16, 2633120), (20, 2106496), (28, 1504640), (32, 1316560), (35, 1203712), (40, 1053248), (56, 752320), (64, 658280), (70, 601856), (80, 526624), (112, 376160), (128, 329140), (140, 300928), (160, 263312), (224, 188080), (256, 164570), (280, 150464), (320, 131656), (448, 94040), (512, 82285), (560, 75232), (640, 65828), (896, 47020), (1120, 37616), (1280, 32914), (1792, 23510), (2240, 18808), (2351, 17920), (2560, 16457), (3584, 11755), (4480, 9404), (4702, 8960)]