154591440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{644131}}^1$

素因数の和:644147

約数の個数: 40

約数和(自身を含む): 479234208

約数和(自身を除く): 324642768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 644131, 1288262, 1932393, 2576524, 3220655, 3864786, 5153048, 6441310, 7729572, 9661965, 10306096, 12882620, 15459144, 19323930, 25765240, 30918288, 38647860, 51530480, 77295720, 154591440]

約数ペア:

[(1, 154591440), (2, 77295720), (3, 51530480), (4, 38647860), (5, 30918288), (6, 25765240), (8, 19323930), (10, 15459144), (12, 12882620), (15, 10306096), (16, 9661965), (20, 7729572), (24, 6441310), (30, 5153048), (40, 3864786), (48, 3220655), (60, 2576524), (80, 1932393), (120, 1288262), (240, 644131)]