78806460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2521}}^1$

素因数の和:3054

約数の個数: 48

約数和(自身を含む): 221169312

約数和(自身を除く): 142362852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 521, 1042, 1563, 2084, 2521, 2605, 3126, 5042, 5210, 6252, 7563, 7815, 10084, 10420, 12605, 15126, 15630, 25210, 30252, 31260, 37815, 50420, 75630, 151260, 1313441, 2626882, 3940323, 5253764, 6567205, 7880646, 13134410, 15761292, 19701615, 26268820, 39403230, 78806460]

約数ペア:

[(1, 78806460), (2, 39403230), (3, 26268820), (4, 19701615), (5, 15761292), (6, 13134410), (10, 7880646), (12, 6567205), (15, 5253764), (20, 3940323), (30, 2626882), (60, 1313441), (521, 151260), (1042, 75630), (1563, 50420), (2084, 37815), (2521, 31260), (2605, 30252), (3126, 25210), (5042, 15630), (5210, 15126), (6252, 12605), (7563, 10420), (7815, 10084)]