80260380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{445891}}^1$

素因数の和:445906

約数の個数: 36

約数和(自身を含む): 243457032

約数和(自身を除く): 163196652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 445891, 891782, 1337673, 1783564, 2229455, 2675346, 4013019, 4458910, 5350692, 6688365, 8026038, 8917820, 13376730, 16052076, 20065095, 26753460, 40130190, 80260380]

約数ペア:

[(1, 80260380), (2, 40130190), (3, 26753460), (4, 20065095), (5, 16052076), (6, 13376730), (9, 8917820), (10, 8026038), (12, 6688365), (15, 5350692), (18, 4458910), (20, 4013019), (30, 2675346), (36, 2229455), (45, 1783564), (60, 1337673), (90, 891782), (180, 445891)]