161923360

素因数分解:

$2^5\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2819}}^1$

素因数の和:3193

約数の個数: 48

約数和(自身を含む): 383745600

約数和(自身を除く): 221822240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 359, 718, 1436, 1795, 2819, 2872, 3590, 5638, 5744, 7180, 11276, 11488, 14095, 14360, 22552, 28190, 28720, 45104, 56380, 57440, 90208, 112760, 225520, 451040, 1012021, 2024042, 4048084, 5060105, 8096168, 10120210, 16192336, 20240420, 32384672, 40480840, 80961680, 161923360]

約数ペア:

[(1, 161923360), (2, 80961680), (4, 40480840), (5, 32384672), (8, 20240420), (10, 16192336), (16, 10120210), (20, 8096168), (32, 5060105), (40, 4048084), (80, 2024042), (160, 1012021), (359, 451040), (718, 225520), (1436, 112760), (1795, 90208), (2819, 57440), (2872, 56380), (3590, 45104), (5638, 28720), (5744, 28190), (7180, 22552), (11276, 14360), (11488, 14095)]