261540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1453}}^1$

素因数の和:1468

約数の個数: 36

約数和(自身を含む): 793884

約数和(自身を除く): 532344

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1453, 2906, 4359, 5812, 7265, 8718, 13077, 14530, 17436, 21795, 26154, 29060, 43590, 52308, 65385, 87180, 130770, 261540]

約数ペア:

[(1, 261540), (2, 130770), (3, 87180), (4, 65385), (5, 52308), (6, 43590), (9, 29060), (10, 26154), (12, 21795), (15, 17436), (18, 14530), (20, 13077), (30, 8718), (36, 7265), (45, 5812), (60, 4359), (90, 2906), (180, 1453)]