1265320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4519}}^1$

素因数の和:4537

約数の個数: 32

約数和(自身を含む): 3254400

約数和(自身を除く): 1989080

約数列:

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

約数ペア:

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