64195020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{941}}^1$

素因数の和:1335

約数の個数: 72

約数和(自身を含む): 195446160

約数和(自身を除く): 131251140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 379, 758, 941, 1137, 1516, 1882, 1895, 2274, 2823, 3411, 3764, 3790, 4548, 4705, 5646, 5685, 6822, 7580, 8469, 9410, 11292, 11370, 13644, 14115, 16938, 17055, 18820, 22740, 28230, 33876, 34110, 42345, 56460, 68220, 84690, 169380, 356639, 713278, 1069917, 1426556, 1783195, 2139834, 3209751, 3566390, 4279668, 5349585, 6419502, 7132780, 10699170, 12839004, 16048755, 21398340, 32097510, 64195020]

約数ペア:

[(1, 64195020), (2, 32097510), (3, 21398340), (4, 16048755), (5, 12839004), (6, 10699170), (9, 7132780), (10, 6419502), (12, 5349585), (15, 4279668), (18, 3566390), (20, 3209751), (30, 2139834), (36, 1783195), (45, 1426556), (60, 1069917), (90, 713278), (180, 356639), (379, 169380), (758, 84690), (941, 68220), (1137, 56460), (1516, 42345), (1882, 34110), (1895, 33876), (2274, 28230), (2823, 22740), (3411, 18820), (3764, 17055), (3790, 16938), (4548, 14115), (4705, 13644), (5646, 11370), (5685, 11292), (6822, 9410), (7580, 8469)]