156748960

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4973}}^1$

素因数の和:5185

約数の個数: 48

約数和(自身を含む): 372274056

約数和(自身を除く): 215525096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 4973, 6304, 7880, 9946, 15760, 19892, 24865, 31520, 39784, 49730, 79568, 99460, 159136, 198920, 397840, 795680, 979681, 1959362, 3918724, 4898405, 7837448, 9796810, 15674896, 19593620, 31349792, 39187240, 78374480, 156748960]

約数ペア:

[(1, 156748960), (2, 78374480), (4, 39187240), (5, 31349792), (8, 19593620), (10, 15674896), (16, 9796810), (20, 7837448), (32, 4898405), (40, 3918724), (80, 1959362), (160, 979681), (197, 795680), (394, 397840), (788, 198920), (985, 159136), (1576, 99460), (1970, 79568), (3152, 49730), (3940, 39784), (4973, 31520), (6304, 24865), (7880, 19892), (9946, 15760)]