120792980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{78437}}^1$

素因数の和:78464

約数の個数: 48

約数和(自身を含む): 316262016

約数和(自身を除く): 195469036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 78437, 156874, 313748, 392185, 549059, 784370, 862807, 1098118, 1568740, 1725614, 2196236, 2745295, 3451228, 4314035, 5490590, 6039649, 8628070, 10981180, 12079298, 17256140, 24158596, 30198245, 60396490, 120792980]

約数ペア:

[(1, 120792980), (2, 60396490), (4, 30198245), (5, 24158596), (7, 17256140), (10, 12079298), (11, 10981180), (14, 8628070), (20, 6039649), (22, 5490590), (28, 4314035), (35, 3451228), (44, 2745295), (55, 2196236), (70, 1725614), (77, 1568740), (110, 1098118), (140, 862807), (154, 784370), (220, 549059), (308, 392185), (385, 313748), (770, 156874), (1540, 78437)]