67916180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 146240640

約数和(自身を除く): 78324460

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 179, 244, 305, 311, 358, 610, 622, 716, 895, 1220, 1244, 1555, 1790, 3110, 3580, 6220, 10919, 18971, 21838, 37942, 43676, 54595, 55669, 75884, 94855, 109190, 111338, 189710, 218380, 222676, 278345, 379420, 556690, 1113380, 3395809, 6791618, 13583236, 16979045, 33958090, 67916180]

約数ペア:

[(1, 67916180), (2, 33958090), (4, 16979045), (5, 13583236), (10, 6791618), (20, 3395809), (61, 1113380), (122, 556690), (179, 379420), (244, 278345), (305, 222676), (311, 218380), (358, 189710), (610, 111338), (622, 109190), (716, 94855), (895, 75884), (1220, 55669), (1244, 54595), (1555, 43676), (1790, 37942), (3110, 21838), (3580, 18971), (6220, 10919)]