81485340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17191}}^1$

素因数の和:17282

約数の個数: 48

約数和(自身を含む): 231060480

約数和(自身を除く): 149575140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 17191, 34382, 51573, 68764, 85955, 103146, 171910, 206292, 257865, 343820, 515730, 1031460, 1358089, 2716178, 4074267, 5432356, 6790445, 8148534, 13580890, 16297068, 20371335, 27161780, 40742670, 81485340]

約数ペア:

[(1, 81485340), (2, 40742670), (3, 27161780), (4, 20371335), (5, 16297068), (6, 13580890), (10, 8148534), (12, 6790445), (15, 5432356), (20, 4074267), (30, 2716178), (60, 1358089), (79, 1031460), (158, 515730), (237, 343820), (316, 257865), (395, 206292), (474, 171910), (790, 103146), (948, 85955), (1185, 68764), (1580, 51573), (2370, 34382), (4740, 17191)]