77824780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{32159}}^1$

素因数の和:32190

約数の個数: 36

約数和(自身を含む): 179645760

約数和(自身を除く): 101820980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 32159, 64318, 128636, 160795, 321590, 353749, 643180, 707498, 1414996, 1768745, 3537490, 3891239, 7074980, 7782478, 15564956, 19456195, 38912390, 77824780]

約数ペア:

[(1, 77824780), (2, 38912390), (4, 19456195), (5, 15564956), (10, 7782478), (11, 7074980), (20, 3891239), (22, 3537490), (44, 1768745), (55, 1414996), (110, 707498), (121, 643180), (220, 353749), (242, 321590), (484, 160795), (605, 128636), (1210, 64318), (2420, 32159)]