640129320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1778137}}^1$

素因数の和:1778154

約数の個数: 48

約数和(自身を含む): 2080421460

約数和(自身を除く): 1440292140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1778137, 3556274, 5334411, 7112548, 8890685, 10668822, 14225096, 16003233, 17781370, 21337644, 26672055, 32006466, 35562740, 42675288, 53344110, 64012932, 71125480, 80016165, 106688220, 128025864, 160032330, 213376440, 320064660, 640129320]

約数ペア:

[(1, 640129320), (2, 320064660), (3, 213376440), (4, 160032330), (5, 128025864), (6, 106688220), (8, 80016165), (9, 71125480), (10, 64012932), (12, 53344110), (15, 42675288), (18, 35562740), (20, 32006466), (24, 26672055), (30, 21337644), (36, 17781370), (40, 16003233), (45, 14225096), (60, 10668822), (72, 8890685), (90, 7112548), (120, 5334411), (180, 3556274), (360, 1778137)]