1940644720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{31793}}^1$

素因数の和:31922

約数の個数: 80

約数和(自身を含む): 5204041920

約数和(自身を除く): 3263397200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1526, 1744, 2180, 3052, 3815, 4360, 6104, 7630, 8720, 12208, 15260, 30520, 31793, 61040, 63586, 127172, 158965, 222551, 254344, 317930, 445102, 508688, 635860, 890204, 1112755, 1271720, 1780408, 2225510, 2543440, 3465437, 3560816, 4451020, 6930874, 8902040, 13861748, 17327185, 17804080, 24258059, 27723496, 34654370, 48516118, 55446992, 69308740, 97032236, 121290295, 138617480, 194064472, 242580590, 277234960, 388128944, 485161180, 970322360, 1940644720]

約数ペア:

[(1, 1940644720), (2, 970322360), (4, 485161180), (5, 388128944), (7, 277234960), (8, 242580590), (10, 194064472), (14, 138617480), (16, 121290295), (20, 97032236), (28, 69308740), (35, 55446992), (40, 48516118), (56, 34654370), (70, 27723496), (80, 24258059), (109, 17804080), (112, 17327185), (140, 13861748), (218, 8902040), (280, 6930874), (436, 4451020), (545, 3560816), (560, 3465437), (763, 2543440), (872, 2225510), (1090, 1780408), (1526, 1271720), (1744, 1112755), (2180, 890204), (3052, 635860), (3815, 508688), (4360, 445102), (6104, 317930), (7630, 254344), (8720, 222551), (12208, 158965), (15260, 127172), (30520, 63586), (31793, 61040)]