30415880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{69127}}^1$

素因数の和:69149

約数の個数: 32

約数和(自身を含む): 74658240

約数和(自身を除く): 44242360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 69127, 138254, 276508, 345635, 553016, 691270, 760397, 1382540, 1520794, 2765080, 3041588, 3801985, 6083176, 7603970, 15207940, 30415880]

約数ペア:

[(1, 30415880), (2, 15207940), (4, 7603970), (5, 6083176), (8, 3801985), (10, 3041588), (11, 2765080), (20, 1520794), (22, 1382540), (40, 760397), (44, 691270), (55, 553016), (88, 345635), (110, 276508), (220, 138254), (440, 69127)]