1984640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{443}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 5434560

約数和(自身を除く): 3449920

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, 280, 320, 443, 448, 560, 640, 886, 896, 1120, 1772, 2215, 2240, 3101, 3544, 4430, 4480, 6202, 7088, 8860, 12404, 14176, 15505, 17720, 24808, 28352, 31010, 35440, 49616, 56704, 62020, 70880, 99232, 124040, 141760, 198464, 248080, 283520, 396928, 496160, 992320, 1984640]

約数ペア:

[(1, 1984640), (2, 992320), (4, 496160), (5, 396928), (7, 283520), (8, 248080), (10, 198464), (14, 141760), (16, 124040), (20, 99232), (28, 70880), (32, 62020), (35, 56704), (40, 49616), (56, 35440), (64, 31010), (70, 28352), (80, 24808), (112, 17720), (128, 15505), (140, 14176), (160, 12404), (224, 8860), (280, 7088), (320, 6202), (443, 4480), (448, 4430), (560, 3544), (640, 3101), (886, 2240), (896, 2215), (1120, 1772)]