128260980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{712561}}^1$

素因数の和:712576

約数の個数: 36

約数和(自身を含む): 389058852

約数和(自身を除く): 260797872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 712561, 1425122, 2137683, 2850244, 3562805, 4275366, 6413049, 7125610, 8550732, 10688415, 12826098, 14251220, 21376830, 25652196, 32065245, 42753660, 64130490, 128260980]

約数ペア:

[(1, 128260980), (2, 64130490), (3, 42753660), (4, 32065245), (5, 25652196), (6, 21376830), (9, 14251220), (10, 12826098), (12, 10688415), (15, 8550732), (18, 7125610), (20, 6413049), (30, 4275366), (36, 3562805), (45, 2850244), (60, 2137683), (90, 1425122), (180, 712561)]