128638160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229711}}^1$

素因数の和:229731

約数の個数: 40

約数和(自身を含む): 341811456

約数和(自身を除く): 213173296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 229711, 459422, 918844, 1148555, 1607977, 1837688, 2297110, 3215954, 3675376, 4594220, 6431908, 8039885, 9188440, 12863816, 16079770, 18376880, 25727632, 32159540, 64319080, 128638160]

約数ペア:

[(1, 128638160), (2, 64319080), (4, 32159540), (5, 25727632), (7, 18376880), (8, 16079770), (10, 12863816), (14, 9188440), (16, 8039885), (20, 6431908), (28, 4594220), (35, 3675376), (40, 3215954), (56, 2297110), (70, 1837688), (80, 1607977), (112, 1148555), (140, 918844), (280, 459422), (560, 229711)]