12904140

素因数分解:

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

素因数の和:942

約数の個数: 48

約数和(自身を含む): 36288000

約数和(自身を除く): 23383860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 431, 499, 862, 998, 1293, 1497, 1724, 1996, 2155, 2495, 2586, 2994, 4310, 4990, 5172, 5988, 6465, 7485, 8620, 9980, 12930, 14970, 25860, 29940, 215069, 430138, 645207, 860276, 1075345, 1290414, 2150690, 2580828, 3226035, 4301380, 6452070, 12904140]

約数ペア:

[(1, 12904140), (2, 6452070), (3, 4301380), (4, 3226035), (5, 2580828), (6, 2150690), (10, 1290414), (12, 1075345), (15, 860276), (20, 645207), (30, 430138), (60, 215069), (431, 29940), (499, 25860), (862, 14970), (998, 12930), (1293, 9980), (1497, 8620), (1724, 7485), (1996, 6465), (2155, 5988), (2495, 5172), (2586, 4990), (2994, 4310)]