209985480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{194431}}^1$

素因数の和:194451

約数の個数: 64

約数和(自身を含む): 699955200

約数和(自身を除く): 489969720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 194431, 388862, 583293, 777724, 972155, 1166586, 1555448, 1749879, 1944310, 2333172, 2916465, 3499758, 3888620, 4666344, 5249637, 5832930, 6999516, 7777240, 8749395, 10499274, 11665860, 13999032, 17498790, 20998548, 23331720, 26248185, 34997580, 41997096, 52496370, 69995160, 104992740, 209985480]

約数ペア:

[(1, 209985480), (2, 104992740), (3, 69995160), (4, 52496370), (5, 41997096), (6, 34997580), (8, 26248185), (9, 23331720), (10, 20998548), (12, 17498790), (15, 13999032), (18, 11665860), (20, 10499274), (24, 8749395), (27, 7777240), (30, 6999516), (36, 5832930), (40, 5249637), (45, 4666344), (54, 3888620), (60, 3499758), (72, 2916465), (90, 2333172), (108, 1944310), (120, 1749879), (135, 1555448), (180, 1166586), (216, 972155), (270, 777724), (360, 583293), (540, 388862), (1080, 194431)]