128858580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{238627}}^1$

素因数の和:238645

約数の個数: 48

約数和(自身を含む): 400895040

約数和(自身を除く): 272036460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 238627, 477254, 715881, 954508, 1193135, 1431762, 2147643, 2386270, 2863524, 3579405, 4295286, 4772540, 6442929, 7158810, 8590572, 10738215, 12885858, 14317620, 21476430, 25771716, 32214645, 42952860, 64429290, 128858580]

約数ペア:

[(1, 128858580), (2, 64429290), (3, 42952860), (4, 32214645), (5, 25771716), (6, 21476430), (9, 14317620), (10, 12885858), (12, 10738215), (15, 8590572), (18, 7158810), (20, 6442929), (27, 4772540), (30, 4295286), (36, 3579405), (45, 2863524), (54, 2386270), (60, 2147643), (90, 1431762), (108, 1193135), (135, 954508), (180, 715881), (270, 477254), (540, 238627)]