80456460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191563}}^1$

素因数の和:191582

約数の個数: 48

約数和(自身を含む): 257462016

約数和(自身を除く): 177005556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 191563, 383126, 574689, 766252, 957815, 1149378, 1340941, 1915630, 2298756, 2681882, 2873445, 3831260, 4022823, 5363764, 5746890, 6704705, 8045646, 11493780, 13409410, 16091292, 20114115, 26818820, 40228230, 80456460]

約数ペア:

[(1, 80456460), (2, 40228230), (3, 26818820), (4, 20114115), (5, 16091292), (6, 13409410), (7, 11493780), (10, 8045646), (12, 6704705), (14, 5746890), (15, 5363764), (20, 4022823), (21, 3831260), (28, 2873445), (30, 2681882), (35, 2298756), (42, 1915630), (60, 1340941), (70, 1149378), (84, 957815), (105, 766252), (140, 574689), (210, 383126), (420, 191563)]