204781860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1137677}}^1$

素因数の和:1137692

約数の個数: 36

約数和(自身を含む): 621172188

約数和(自身を除く): 416390328

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1137677, 2275354, 3413031, 4550708, 5688385, 6826062, 10239093, 11376770, 13652124, 17065155, 20478186, 22753540, 34130310, 40956372, 51195465, 68260620, 102390930, 204781860]

約数ペア:

[(1, 204781860), (2, 102390930), (3, 68260620), (4, 51195465), (5, 40956372), (6, 34130310), (9, 22753540), (10, 20478186), (12, 17065155), (15, 13652124), (18, 11376770), (20, 10239093), (30, 6826062), (36, 5688385), (45, 4550708), (60, 3413031), (90, 2275354), (180, 1137677)]