638268240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2659451}}^1$

素因数の和:2659467

約数の個数: 40

約数和(自身を含む): 1978632288

約数和(自身を除く): 1340364048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2659451, 5318902, 7978353, 10637804, 13297255, 15956706, 21275608, 26594510, 31913412, 39891765, 42551216, 53189020, 63826824, 79783530, 106378040, 127653648, 159567060, 212756080, 319134120, 638268240]

約数ペア:

[(1, 638268240), (2, 319134120), (3, 212756080), (4, 159567060), (5, 127653648), (6, 106378040), (8, 79783530), (10, 63826824), (12, 53189020), (15, 42551216), (16, 39891765), (20, 31913412), (24, 26594510), (30, 21275608), (40, 15956706), (48, 13297255), (60, 10637804), (80, 7978353), (120, 5318902), (240, 2659451)]