81756120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{4973}}^1$

素因数の和:5124

約数の個数: 64

約数和(自身を含む): 247108320

約数和(自身を除く): 165352200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 274, 411, 548, 685, 822, 1096, 1370, 1644, 2055, 2740, 3288, 4110, 4973, 5480, 8220, 9946, 14919, 16440, 19892, 24865, 29838, 39784, 49730, 59676, 74595, 99460, 119352, 149190, 198920, 298380, 596760, 681301, 1362602, 2043903, 2725204, 3406505, 4087806, 5450408, 6813010, 8175612, 10219515, 13626020, 16351224, 20439030, 27252040, 40878060, 81756120]

約数ペア:

[(1, 81756120), (2, 40878060), (3, 27252040), (4, 20439030), (5, 16351224), (6, 13626020), (8, 10219515), (10, 8175612), (12, 6813010), (15, 5450408), (20, 4087806), (24, 3406505), (30, 2725204), (40, 2043903), (60, 1362602), (120, 681301), (137, 596760), (274, 298380), (411, 198920), (548, 149190), (685, 119352), (822, 99460), (1096, 74595), (1370, 59676), (1644, 49730), (2055, 39784), (2740, 29838), (3288, 24865), (4110, 19892), (4973, 16440), (5480, 14919), (8220, 9946)]