81416088

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{6691}}^1$

素因数の和:6729

約数の個数: 72

約数和(自身を含む): 238804020

約数和(自身を除く): 157387932

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, 6691, 12168, 13382, 20073, 26764, 40146, 53528, 60219, 80292, 86983, 120438, 160584, 173966, 240876, 260949, 347932, 481752, 521898, 695864, 782847, 1043796, 1130779, 1565694, 2087592, 2261558, 3131388, 3392337, 4523116, 6262776, 6784674, 9046232, 10177011, 13569348, 20354022, 27138696, 40708044, 81416088]

約数ペア:

[(1, 81416088), (2, 40708044), (3, 27138696), (4, 20354022), (6, 13569348), (8, 10177011), (9, 9046232), (12, 6784674), (13, 6262776), (18, 4523116), (24, 3392337), (26, 3131388), (36, 2261558), (39, 2087592), (52, 1565694), (72, 1130779), (78, 1043796), (104, 782847), (117, 695864), (156, 521898), (169, 481752), (234, 347932), (312, 260949), (338, 240876), (468, 173966), (507, 160584), (676, 120438), (936, 86983), (1014, 80292), (1352, 60219), (1521, 53528), (2028, 40146), (3042, 26764), (4056, 20073), (6084, 13382), (6691, 12168)]