61489960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{219607}}^1$

素因数の和:219625

約数の個数: 32

約数和(自身を含む): 158117760

約数和(自身を除く): 96627800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 219607, 439214, 878428, 1098035, 1537249, 1756856, 2196070, 3074498, 4392140, 6148996, 7686245, 8784280, 12297992, 15372490, 30744980, 61489960]

約数ペア:

[(1, 61489960), (2, 30744980), (4, 15372490), (5, 12297992), (7, 8784280), (8, 7686245), (10, 6148996), (14, 4392140), (20, 3074498), (28, 2196070), (35, 1756856), (40, 1537249), (56, 1098035), (70, 878428), (140, 439214), (280, 219607)]