2821740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 7983360

約数和(自身を除く): 5161620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 359, 393, 524, 655, 718, 786, 1077, 1310, 1436, 1572, 1795, 1965, 2154, 2620, 3590, 3930, 4308, 5385, 7180, 7860, 10770, 21540, 47029, 94058, 141087, 188116, 235145, 282174, 470290, 564348, 705435, 940580, 1410870, 2821740]

約数ペア:

[(1, 2821740), (2, 1410870), (3, 940580), (4, 705435), (5, 564348), (6, 470290), (10, 282174), (12, 235145), (15, 188116), (20, 141087), (30, 94058), (60, 47029), (131, 21540), (262, 10770), (359, 7860), (393, 7180), (524, 5385), (655, 4308), (718, 3930), (786, 3590), (1077, 2620), (1310, 2154), (1436, 1965), (1572, 1795)]