247822920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{688397}}^1$

素因数の和:688414

約数の個数: 48

約数和(自身を含む): 805425660

約数和(自身を除く): 557602740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 688397, 1376794, 2065191, 2753588, 3441985, 4130382, 5507176, 6195573, 6883970, 8260764, 10325955, 12391146, 13767940, 16521528, 20651910, 24782292, 27535880, 30977865, 41303820, 49564584, 61955730, 82607640, 123911460, 247822920]

約数ペア:

[(1, 247822920), (2, 123911460), (3, 82607640), (4, 61955730), (5, 49564584), (6, 41303820), (8, 30977865), (9, 27535880), (10, 24782292), (12, 20651910), (15, 16521528), (18, 13767940), (20, 12391146), (24, 10325955), (30, 8260764), (36, 6883970), (40, 6195573), (45, 5507176), (60, 4130382), (72, 3441985), (90, 2753588), (120, 2065191), (180, 1376794), (360, 688397)]