144428720

素因数分解:

$2^4\times 5^1\times {\mathrm{1805359}}^1$

素因数の和:1805372

約数の個数: 20

約数和(自身を含む): 335796960

約数和(自身を除く): 191368240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1805359, 3610718, 7221436, 9026795, 14442872, 18053590, 28885744, 36107180, 72214360, 144428720]

約数ペア:

[(1, 144428720), (2, 72214360), (4, 36107180), (5, 28885744), (8, 18053590), (10, 14442872), (16, 9026795), (20, 7221436), (40, 3610718), (80, 1805359)]