80895420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449419}}^1$

素因数の和:449434

約数の個数: 36

約数和(自身を含む): 245383320

約数和(自身を除く): 164487900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449419, 898838, 1348257, 1797676, 2247095, 2696514, 4044771, 4494190, 5393028, 6741285, 8089542, 8988380, 13482570, 16179084, 20223855, 26965140, 40447710, 80895420]

約数ペア:

[(1, 80895420), (2, 40447710), (3, 26965140), (4, 20223855), (5, 16179084), (6, 13482570), (9, 8988380), (10, 8089542), (12, 6741285), (15, 5393028), (18, 4494190), (20, 4044771), (30, 2696514), (36, 2247095), (45, 1797676), (60, 1348257), (90, 898838), (180, 449419)]