1278261720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{3550727}}^1$

素因数の和:3550744

約数の個数: 48

約数和(自身を含む): 4154351760

約数和(自身を除く): 2876090040

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, 3550727, 7101454, 10652181, 14202908, 17753635, 21304362, 28405816, 31956543, 35507270, 42608724, 53260905, 63913086, 71014540, 85217448, 106521810, 127826172, 142029080, 159782715, 213043620, 255652344, 319565430, 426087240, 639130860, 1278261720]

約数ペア:

[(1, 1278261720), (2, 639130860), (3, 426087240), (4, 319565430), (5, 255652344), (6, 213043620), (8, 159782715), (9, 142029080), (10, 127826172), (12, 106521810), (15, 85217448), (18, 71014540), (20, 63913086), (24, 53260905), (30, 42608724), (36, 35507270), (40, 31956543), (45, 28405816), (60, 21304362), (72, 17753635), (90, 14202908), (120, 10652181), (180, 7101454), (360, 3550727)]