30891384

素因数分解:

$2^3\times 3^2\times {\mathrm{487}}^1\times {\mathrm{881}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 83931120

約数和(自身を除く): 53039736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 487, 881, 974, 1461, 1762, 1948, 2643, 2922, 3524, 3896, 4383, 5286, 5844, 7048, 7929, 8766, 10572, 11688, 15858, 17532, 21144, 31716, 35064, 63432, 429047, 858094, 1287141, 1716188, 2574282, 3432376, 3861423, 5148564, 7722846, 10297128, 15445692, 30891384]

約数ペア:

[(1, 30891384), (2, 15445692), (3, 10297128), (4, 7722846), (6, 5148564), (8, 3861423), (9, 3432376), (12, 2574282), (18, 1716188), (24, 1287141), (36, 858094), (72, 429047), (487, 63432), (881, 35064), (974, 31716), (1461, 21144), (1762, 17532), (1948, 15858), (2643, 11688), (2922, 10572), (3524, 8766), (3896, 7929), (4383, 7048), (5286, 5844)]