51813480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{18773}}^1$

素因数の和:18810

約数の個数: 64

約数和(自身を含む): 162207360

約数和(自身を除く): 110393880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 18773, 37546, 56319, 75092, 93865, 112638, 150184, 187730, 225276, 281595, 375460, 431779, 450552, 563190, 750920, 863558, 1126380, 1295337, 1727116, 2158895, 2252760, 2590674, 3454232, 4317790, 5181348, 6476685, 8635580, 10362696, 12953370, 17271160, 25906740, 51813480]

約数ペア:

[(1, 51813480), (2, 25906740), (3, 17271160), (4, 12953370), (5, 10362696), (6, 8635580), (8, 6476685), (10, 5181348), (12, 4317790), (15, 3454232), (20, 2590674), (23, 2252760), (24, 2158895), (30, 1727116), (40, 1295337), (46, 1126380), (60, 863558), (69, 750920), (92, 563190), (115, 450552), (120, 431779), (138, 375460), (184, 281595), (230, 225276), (276, 187730), (345, 150184), (460, 112638), (552, 93865), (690, 75092), (920, 56319), (1380, 37546), (2760, 18773)]