81351720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{225977}}^1$

素因数の和:225994

約数の個数: 48

約数和(自身を含む): 264394260

約数和(自身を除く): 183042540

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, 225977, 451954, 677931, 903908, 1129885, 1355862, 1807816, 2033793, 2259770, 2711724, 3389655, 4067586, 4519540, 5423448, 6779310, 8135172, 9039080, 10168965, 13558620, 16270344, 20337930, 27117240, 40675860, 81351720]

約数ペア:

[(1, 81351720), (2, 40675860), (3, 27117240), (4, 20337930), (5, 16270344), (6, 13558620), (8, 10168965), (9, 9039080), (10, 8135172), (12, 6779310), (15, 5423448), (18, 4519540), (20, 4067586), (24, 3389655), (30, 2711724), (36, 2259770), (40, 2033793), (45, 1807816), (60, 1355862), (72, 1129885), (90, 903908), (120, 677931), (180, 451954), (360, 225977)]