30861160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70139}}^1$

素因数の和:70161

約数の個数: 32

約数和(自身を含む): 75751200

約数和(自身を除く): 44890040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 70139, 140278, 280556, 350695, 561112, 701390, 771529, 1402780, 1543058, 2805560, 3086116, 3857645, 6172232, 7715290, 15430580, 30861160]

約数ペア:

[(1, 30861160), (2, 15430580), (4, 7715290), (5, 6172232), (8, 3857645), (10, 3086116), (11, 2805560), (20, 1543058), (22, 1402780), (40, 771529), (44, 701390), (55, 561112), (88, 350695), (110, 280556), (220, 140278), (440, 70139)]