64589560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{593}}^1$

素因数の和:1000

約数の個数: 64

約数和(自身を含む): 166795200

約数和(自身を除く): 102205640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 389, 593, 778, 1186, 1556, 1945, 2372, 2723, 2965, 3112, 3890, 4151, 4744, 5446, 5930, 7780, 8302, 10892, 11860, 13615, 15560, 16604, 20755, 21784, 23720, 27230, 33208, 41510, 54460, 83020, 108920, 166040, 230677, 461354, 922708, 1153385, 1614739, 1845416, 2306770, 3229478, 4613540, 6458956, 8073695, 9227080, 12917912, 16147390, 32294780, 64589560]

約数ペア:

[(1, 64589560), (2, 32294780), (4, 16147390), (5, 12917912), (7, 9227080), (8, 8073695), (10, 6458956), (14, 4613540), (20, 3229478), (28, 2306770), (35, 1845416), (40, 1614739), (56, 1153385), (70, 922708), (140, 461354), (280, 230677), (389, 166040), (593, 108920), (778, 83020), (1186, 54460), (1556, 41510), (1945, 33208), (2372, 27230), (2723, 23720), (2965, 21784), (3112, 20755), (3890, 16604), (4151, 15560), (4744, 13615), (5446, 11860), (5930, 10892), (7780, 8302)]