80431440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{335131}}^1$

素因数の和:335147

約数の個数: 40

約数和(自身を含む): 249338208

約数和(自身を除く): 168906768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 335131, 670262, 1005393, 1340524, 1675655, 2010786, 2681048, 3351310, 4021572, 5026965, 5362096, 6702620, 8043144, 10053930, 13405240, 16086288, 20107860, 26810480, 40215720, 80431440]

約数ペア:

[(1, 80431440), (2, 40215720), (3, 26810480), (4, 20107860), (5, 16086288), (6, 13405240), (8, 10053930), (10, 8043144), (12, 6702620), (15, 5362096), (16, 5026965), (20, 4021572), (24, 3351310), (30, 2681048), (40, 2010786), (48, 1675655), (60, 1340524), (80, 1005393), (120, 670262), (240, 335131)]