2530640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4519}}^1$

素因数の和:4539

約数の個数: 40

約数和(自身を含む): 6725760

約数和(自身を除く): 4195120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4519, 9038, 18076, 22595, 31633, 36152, 45190, 63266, 72304, 90380, 126532, 158165, 180760, 253064, 316330, 361520, 506128, 632660, 1265320, 2530640]

約数ペア:

[(1, 2530640), (2, 1265320), (4, 632660), (5, 506128), (7, 361520), (8, 316330), (10, 253064), (14, 180760), (16, 158165), (20, 126532), (28, 90380), (35, 72304), (40, 63266), (56, 45190), (70, 36152), (80, 31633), (112, 22595), (140, 18076), (280, 9038), (560, 4519)]