639132240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2663051}}^1$

素因数の和:2663067

約数の個数: 40

約数和(自身を含む): 1981310688

約数和(自身を除く): 1342178448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2663051, 5326102, 7989153, 10652204, 13315255, 15978306, 21304408, 26630510, 31956612, 39945765, 42608816, 53261020, 63913224, 79891530, 106522040, 127826448, 159783060, 213044080, 319566120, 639132240]

約数ペア:

[(1, 639132240), (2, 319566120), (3, 213044080), (4, 159783060), (5, 127826448), (6, 106522040), (8, 79891530), (10, 63913224), (12, 53261020), (15, 42608816), (16, 39945765), (20, 31956612), (24, 26630510), (30, 21304408), (40, 15978306), (48, 13315255), (60, 10652204), (80, 7989153), (120, 5326102), (240, 2663051)]