81078660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34649}}^1$

素因数の和:34677

約数の個数: 72

約数和(自身を含む): 264864600

約数和(自身を除く): 183785940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 34649, 69298, 103947, 138596, 173245, 207894, 311841, 346490, 415788, 450437, 519735, 623682, 692980, 900874, 1039470, 1247364, 1351311, 1559205, 1801748, 2078940, 2252185, 2702622, 3118410, 4053933, 4504370, 5405244, 6236820, 6756555, 8107866, 9008740, 13513110, 16215732, 20269665, 27026220, 40539330, 81078660]

約数ペア:

[(1, 81078660), (2, 40539330), (3, 27026220), (4, 20269665), (5, 16215732), (6, 13513110), (9, 9008740), (10, 8107866), (12, 6756555), (13, 6236820), (15, 5405244), (18, 4504370), (20, 4053933), (26, 3118410), (30, 2702622), (36, 2252185), (39, 2078940), (45, 1801748), (52, 1559205), (60, 1351311), (65, 1247364), (78, 1039470), (90, 900874), (117, 692980), (130, 623682), (156, 519735), (180, 450437), (195, 415788), (234, 346490), (260, 311841), (390, 207894), (468, 173245), (585, 138596), (780, 103947), (1170, 69298), (2340, 34649)]