68390892

素因数分解:

$2^2\times 3^5\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1081

約数の個数: 72

約数和(自身を含む): 181988352

約数和(自身を除く): 113597460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 81, 108, 142, 162, 213, 243, 284, 324, 426, 486, 639, 852, 972, 991, 1278, 1917, 1982, 2556, 2973, 3834, 3964, 5751, 5946, 7668, 8919, 11502, 11892, 17253, 17838, 23004, 26757, 34506, 35676, 53514, 69012, 70361, 80271, 107028, 140722, 160542, 211083, 240813, 281444, 321084, 422166, 481626, 633249, 844332, 963252, 1266498, 1899747, 2532996, 3799494, 5699241, 7598988, 11398482, 17097723, 22796964, 34195446, 68390892]

約数ペア:

[(1, 68390892), (2, 34195446), (3, 22796964), (4, 17097723), (6, 11398482), (9, 7598988), (12, 5699241), (18, 3799494), (27, 2532996), (36, 1899747), (54, 1266498), (71, 963252), (81, 844332), (108, 633249), (142, 481626), (162, 422166), (213, 321084), (243, 281444), (284, 240813), (324, 211083), (426, 160542), (486, 140722), (639, 107028), (852, 80271), (972, 70361), (991, 69012), (1278, 53514), (1917, 35676), (1982, 34506), (2556, 26757), (2973, 23004), (3834, 17838), (3964, 17253), (5751, 11892), (5946, 11502), (7668, 8919)]