28908540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{160603}}^1$

素因数の和:160618

約数の個数: 36

約数和(自身を含む): 87689784

約数和(自身を除く): 58781244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 160603, 321206, 481809, 642412, 803015, 963618, 1445427, 1606030, 1927236, 2409045, 2890854, 3212060, 4818090, 5781708, 7227135, 9636180, 14454270, 28908540]

約数ペア:

[(1, 28908540), (2, 14454270), (3, 9636180), (4, 7227135), (5, 5781708), (6, 4818090), (9, 3212060), (10, 2890854), (12, 2409045), (15, 1927236), (18, 1606030), (20, 1445427), (30, 963618), (36, 803015), (45, 642412), (60, 481809), (90, 321206), (180, 160603)]