155781720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{432727}}^1$

素因数の和:432744

約数の個数: 48

約数和(自身を含む): 506291760

約数和(自身を除く): 350510040

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, 432727, 865454, 1298181, 1730908, 2163635, 2596362, 3461816, 3894543, 4327270, 5192724, 6490905, 7789086, 8654540, 10385448, 12981810, 15578172, 17309080, 19472715, 25963620, 31156344, 38945430, 51927240, 77890860, 155781720]

約数ペア:

[(1, 155781720), (2, 77890860), (3, 51927240), (4, 38945430), (5, 31156344), (6, 25963620), (8, 19472715), (9, 17309080), (10, 15578172), (12, 12981810), (15, 10385448), (18, 8654540), (20, 7789086), (24, 6490905), (30, 5192724), (36, 4327270), (40, 3894543), (45, 3461816), (60, 2596362), (72, 2163635), (90, 1730908), (120, 1298181), (180, 865454), (360, 432727)]