260865720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{724627}}^1$

素因数の和:724644

約数の個数: 48

約数和(自身を含む): 847814760

約数和(自身を除く): 586949040

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, 724627, 1449254, 2173881, 2898508, 3623135, 4347762, 5797016, 6521643, 7246270, 8695524, 10869405, 13043286, 14492540, 17391048, 21738810, 26086572, 28985080, 32608215, 43477620, 52173144, 65216430, 86955240, 130432860, 260865720]

約数ペア:

[(1, 260865720), (2, 130432860), (3, 86955240), (4, 65216430), (5, 52173144), (6, 43477620), (8, 32608215), (9, 28985080), (10, 26086572), (12, 21738810), (15, 17391048), (18, 14492540), (20, 13043286), (24, 10869405), (30, 8695524), (36, 7246270), (40, 6521643), (45, 5797016), (60, 4347762), (72, 3623135), (90, 2898508), (120, 2173881), (180, 1449254), (360, 724627)]