80945748

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{673}}^1$

素因数の和:953

約数の個数: 72

約数和(自身を含む): 221538408

約数和(自身を除く): 140592660

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 257, 468, 514, 673, 771, 1028, 1346, 1542, 2019, 2313, 2692, 3084, 3341, 4038, 4626, 6057, 6682, 8076, 8749, 9252, 10023, 12114, 13364, 17498, 20046, 24228, 26247, 30069, 34996, 40092, 52494, 60138, 78741, 104988, 120276, 157482, 172961, 314964, 345922, 518883, 691844, 1037766, 1556649, 2075532, 2248493, 3113298, 4496986, 6226596, 6745479, 8993972, 13490958, 20236437, 26981916, 40472874, 80945748]

約数ペア:

[(1, 80945748), (2, 40472874), (3, 26981916), (4, 20236437), (6, 13490958), (9, 8993972), (12, 6745479), (13, 6226596), (18, 4496986), (26, 3113298), (36, 2248493), (39, 2075532), (52, 1556649), (78, 1037766), (117, 691844), (156, 518883), (234, 345922), (257, 314964), (468, 172961), (514, 157482), (673, 120276), (771, 104988), (1028, 78741), (1346, 60138), (1542, 52494), (2019, 40092), (2313, 34996), (2692, 30069), (3084, 26247), (3341, 24228), (4038, 20046), (4626, 17498), (6057, 13364), (6682, 12114), (8076, 10023), (8749, 9252)]