180506620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1289333}}^1$

素因数の和:1289349

約数の個数: 24

約数和(自身を含む): 433216224

約数和(自身を除く): 252709604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1289333, 2578666, 5157332, 6446665, 9025331, 12893330, 18050662, 25786660, 36101324, 45126655, 90253310, 180506620]

約数ペア:

[(1, 180506620), (2, 90253310), (4, 45126655), (5, 36101324), (7, 25786660), (10, 18050662), (14, 12893330), (20, 9025331), (28, 6446665), (35, 5157332), (70, 2578666), (140, 1289333)]