81537768

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{6701}}^1$

素因数の和:6739

約数の個数: 72

約数和(自身を含む): 239160870

約数和(自身を除く): 157623102

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 2028, 3042, 4056, 6084, 6701, 12168, 13402, 20103, 26804, 40206, 53608, 60309, 80412, 87113, 120618, 160824, 174226, 241236, 261339, 348452, 482472, 522678, 696904, 784017, 1045356, 1132469, 1568034, 2090712, 2264938, 3136068, 3397407, 4529876, 6272136, 6794814, 9059752, 10192221, 13589628, 20384442, 27179256, 40768884, 81537768]

約数ペア:

[(1, 81537768), (2, 40768884), (3, 27179256), (4, 20384442), (6, 13589628), (8, 10192221), (9, 9059752), (12, 6794814), (13, 6272136), (18, 4529876), (24, 3397407), (26, 3136068), (36, 2264938), (39, 2090712), (52, 1568034), (72, 1132469), (78, 1045356), (104, 784017), (117, 696904), (156, 522678), (169, 482472), (234, 348452), (312, 261339), (338, 241236), (468, 174226), (507, 160824), (676, 120618), (936, 87113), (1014, 80412), (1352, 60309), (1521, 53608), (2028, 40206), (3042, 26804), (4056, 20103), (6084, 13402), (6701, 12168)]