51616560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{499}}^1$

素因数の和:946

約数の個数: 80

約数和(自身を含む): 160704000

約数和(自身を除く): 109087440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 431, 499, 862, 998, 1293, 1497, 1724, 1996, 2155, 2495, 2586, 2994, 3448, 3992, 4310, 4990, 5172, 5988, 6465, 6896, 7485, 7984, 8620, 9980, 10344, 11976, 12930, 14970, 17240, 19960, 20688, 23952, 25860, 29940, 34480, 39920, 51720, 59880, 103440, 119760, 215069, 430138, 645207, 860276, 1075345, 1290414, 1720552, 2150690, 2580828, 3226035, 3441104, 4301380, 5161656, 6452070, 8602760, 10323312, 12904140, 17205520, 25808280, 51616560]

約数ペア:

[(1, 51616560), (2, 25808280), (3, 17205520), (4, 12904140), (5, 10323312), (6, 8602760), (8, 6452070), (10, 5161656), (12, 4301380), (15, 3441104), (16, 3226035), (20, 2580828), (24, 2150690), (30, 1720552), (40, 1290414), (48, 1075345), (60, 860276), (80, 645207), (120, 430138), (240, 215069), (431, 119760), (499, 103440), (862, 59880), (998, 51720), (1293, 39920), (1497, 34480), (1724, 29940), (1996, 25860), (2155, 23952), (2495, 20688), (2586, 19960), (2994, 17240), (3448, 14970), (3992, 12930), (4310, 11976), (4990, 10344), (5172, 9980), (5988, 8620), (6465, 7984), (6896, 7485)]