81270864

素因数分解:

$2^4\times 3^5\times {\mathrm{20903}}^1$

素因数の和:20926

約数の個数: 60

約数和(自身を含む): 235880736

約数和(自身を除く): 154609872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 20903, 41806, 62709, 83612, 125418, 167224, 188127, 250836, 334448, 376254, 501672, 564381, 752508, 1003344, 1128762, 1505016, 1693143, 2257524, 3010032, 3386286, 4515048, 5079429, 6772572, 9030096, 10158858, 13545144, 20317716, 27090288, 40635432, 81270864]

約数ペア:

[(1, 81270864), (2, 40635432), (3, 27090288), (4, 20317716), (6, 13545144), (8, 10158858), (9, 9030096), (12, 6772572), (16, 5079429), (18, 4515048), (24, 3386286), (27, 3010032), (36, 2257524), (48, 1693143), (54, 1505016), (72, 1128762), (81, 1003344), (108, 752508), (144, 564381), (162, 501672), (216, 376254), (243, 334448), (324, 250836), (432, 188127), (486, 167224), (648, 125418), (972, 83612), (1296, 62709), (1944, 41806), (3888, 20903)]