30912040

素因数分解:

$2^3\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1063}}^1$

素因数の和:1801

約数の個数: 32

約数和(自身を含む): 69713280

約数和(自身を除く): 38801240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 727, 1063, 1454, 2126, 2908, 3635, 4252, 5315, 5816, 7270, 8504, 10630, 14540, 21260, 29080, 42520, 772801, 1545602, 3091204, 3864005, 6182408, 7728010, 15456020, 30912040]

約数ペア:

[(1, 30912040), (2, 15456020), (4, 7728010), (5, 6182408), (8, 3864005), (10, 3091204), (20, 1545602), (40, 772801), (727, 42520), (1063, 29080), (1454, 21260), (2126, 14540), (2908, 10630), (3635, 8504), (4252, 7270), (5315, 5816)]