61920760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{140729}}^1$

素因数の和:140751

約数の個数: 32

約数和(自身を含む): 151988400

約数和(自身を除く): 90067640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 140729, 281458, 562916, 703645, 1125832, 1407290, 1548019, 2814580, 3096038, 5629160, 6192076, 7740095, 12384152, 15480190, 30960380, 61920760]

約数ペア:

[(1, 61920760), (2, 30960380), (4, 15480190), (5, 12384152), (8, 7740095), (10, 6192076), (11, 5629160), (20, 3096038), (22, 2814580), (40, 1548019), (44, 1407290), (55, 1125832), (88, 703645), (110, 562916), (220, 281458), (440, 140729)]