38890980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{216061}}^1$

素因数の和:216076

約数の個数: 36

約数和(自身を含む): 117969852

約数和(自身を除く): 79078872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 216061, 432122, 648183, 864244, 1080305, 1296366, 1944549, 2160610, 2592732, 3240915, 3889098, 4321220, 6481830, 7778196, 9722745, 12963660, 19445490, 38890980]

約数ペア:

[(1, 38890980), (2, 19445490), (3, 12963660), (4, 9722745), (5, 7778196), (6, 6481830), (9, 4321220), (10, 3889098), (12, 3240915), (15, 2592732), (18, 2160610), (20, 1944549), (30, 1296366), (36, 1080305), (45, 864244), (60, 648183), (90, 432122), (180, 216061)]