80456940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{446983}}^1$

素因数の和:446998

約数の個数: 36

約数和(自身を含む): 244053264

約数和(自身を除く): 163596324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 446983, 893966, 1340949, 1787932, 2234915, 2681898, 4022847, 4469830, 5363796, 6704745, 8045694, 8939660, 13409490, 16091388, 20114235, 26818980, 40228470, 80456940]

約数ペア:

[(1, 80456940), (2, 40228470), (3, 26818980), (4, 20114235), (5, 16091388), (6, 13409490), (9, 8939660), (10, 8045694), (12, 6704745), (15, 5363796), (18, 4469830), (20, 4022847), (30, 2681898), (36, 2234915), (45, 1787932), (60, 1340949), (90, 893966), (180, 446983)]