81222780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1353713}}^1$

素因数の和:1353725

約数の個数: 24

約数和(自身を含む): 227423952

約数和(自身を除く): 146201172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1353713, 2707426, 4061139, 5414852, 6768565, 8122278, 13537130, 16244556, 20305695, 27074260, 40611390, 81222780]

約数ペア:

[(1, 81222780), (2, 40611390), (3, 27074260), (4, 20305695), (5, 16244556), (6, 13537130), (10, 8122278), (12, 6768565), (15, 5414852), (20, 4061139), (30, 2707426), (60, 1353713)]