71331920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7369}}^1$

素因数の和:7404

約数の個数: 60

約数和(自身を含む): 182319060

約数和(自身を除く): 110987140

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 7369, 9680, 14738, 29476, 36845, 58952, 73690, 81059, 117904, 147380, 162118, 294760, 324236, 405295, 589520, 648472, 810590, 891649, 1296944, 1621180, 1783298, 3242360, 3566596, 4458245, 6484720, 7133192, 8916490, 14266384, 17832980, 35665960, 71331920]

約数ペア:

[(1, 71331920), (2, 35665960), (4, 17832980), (5, 14266384), (8, 8916490), (10, 7133192), (11, 6484720), (16, 4458245), (20, 3566596), (22, 3242360), (40, 1783298), (44, 1621180), (55, 1296944), (80, 891649), (88, 810590), (110, 648472), (121, 589520), (176, 405295), (220, 324236), (242, 294760), (440, 162118), (484, 147380), (605, 117904), (880, 81059), (968, 73690), (1210, 58952), (1936, 36845), (2420, 29476), (4840, 14738), (7369, 9680)]