78342780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1305713}}^1$

素因数の和:1305725

約数の個数: 24

約数和(自身を含む): 219359952

約数和(自身を除く): 141017172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1305713, 2611426, 3917139, 5222852, 6528565, 7834278, 13057130, 15668556, 19585695, 26114260, 39171390, 78342780]

約数ペア:

[(1, 78342780), (2, 39171390), (3, 26114260), (4, 19585695), (5, 15668556), (6, 13057130), (10, 7834278), (12, 6528565), (15, 5222852), (20, 3917139), (30, 2611426), (60, 1305713)]