180439760

素因数分解:

$2^4\times 5^1\times {\mathrm{433}}^1\times {\mathrm{5209}}^1$

素因数の和:5655

約数の個数: 40

約数和(自身を含む): 420572040

約数和(自身を除く): 240132280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 433, 866, 1732, 2165, 3464, 4330, 5209, 6928, 8660, 10418, 17320, 20836, 26045, 34640, 41672, 52090, 83344, 104180, 208360, 416720, 2255497, 4510994, 9021988, 11277485, 18043976, 22554970, 36087952, 45109940, 90219880, 180439760]

約数ペア:

[(1, 180439760), (2, 90219880), (4, 45109940), (5, 36087952), (8, 22554970), (10, 18043976), (16, 11277485), (20, 9021988), (40, 4510994), (80, 2255497), (433, 416720), (866, 208360), (1732, 104180), (2165, 83344), (3464, 52090), (4330, 41672), (5209, 34640), (6928, 26045), (8660, 20836), (10418, 17320)]