145280

素因数分解:

$2^7\times 5^1\times {\mathrm{227}}^1$

素因数の和:246

約数の個数: 32

約数和(自身を含む): 348840

約数和(自身を除く): 203560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 227, 320, 454, 640, 908, 1135, 1816, 2270, 3632, 4540, 7264, 9080, 14528, 18160, 29056, 36320, 72640, 145280]

約数ペア:

[(1, 145280), (2, 72640), (4, 36320), (5, 29056), (8, 18160), (10, 14528), (16, 9080), (20, 7264), (32, 4540), (40, 3632), (64, 2270), (80, 1816), (128, 1135), (160, 908), (227, 640), (320, 454)]