161980740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{899893}}^1$

素因数の和:899908

約数の個数: 36

約数和(自身を含む): 491342124

約数和(自身を除く): 329361384

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 899893, 1799786, 2699679, 3599572, 4499465, 5399358, 8099037, 8998930, 10798716, 13498395, 16198074, 17997860, 26996790, 32396148, 40495185, 53993580, 80990370, 161980740]

約数ペア:

[(1, 161980740), (2, 80990370), (3, 53993580), (4, 40495185), (5, 32396148), (6, 26996790), (9, 17997860), (10, 16198074), (12, 13498395), (15, 10798716), (18, 8998930), (20, 8099037), (30, 5399358), (36, 4499465), (45, 3599572), (60, 2699679), (90, 1799786), (180, 899893)]