75840460

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 162751680

約数和(自身を除く): 86911220

約数列:

[1, 2, 4, 5, 10, 20, 89, 137, 178, 274, 311, 356, 445, 548, 622, 685, 890, 1244, 1370, 1555, 1780, 2740, 3110, 6220, 12193, 24386, 27679, 42607, 48772, 55358, 60965, 85214, 110716, 121930, 138395, 170428, 213035, 243860, 276790, 426070, 553580, 852140, 3792023, 7584046, 15168092, 18960115, 37920230, 75840460]

約数ペア:

[(1, 75840460), (2, 37920230), (4, 18960115), (5, 15168092), (10, 7584046), (20, 3792023), (89, 852140), (137, 553580), (178, 426070), (274, 276790), (311, 243860), (356, 213035), (445, 170428), (548, 138395), (622, 121930), (685, 110716), (890, 85214), (1244, 60965), (1370, 55358), (1555, 48772), (1780, 42607), (2740, 27679), (3110, 24386), (6220, 12193)]