143782720

素因数分解:

$2^6\times 5^1\times {\mathrm{449321}}^1$

素因数の和:449338

約数の個数: 28

約数和(自身を含む): 342383364

約数和(自身を除く): 198600644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 449321, 898642, 1797284, 2246605, 3594568, 4493210, 7189136, 8986420, 14378272, 17972840, 28756544, 35945680, 71891360, 143782720]

約数ペア:

[(1, 143782720), (2, 71891360), (4, 35945680), (5, 28756544), (8, 17972840), (10, 14378272), (16, 8986420), (20, 7189136), (32, 4493210), (40, 3594568), (64, 2246605), (80, 1797284), (160, 898642), (320, 449321)]