879760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1571}}^1$

素因数の和:1591

約数の個数: 40

約数和(自身を含む): 2339136

約数和(自身を除く): 1459376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1571, 3142, 6284, 7855, 10997, 12568, 15710, 21994, 25136, 31420, 43988, 54985, 62840, 87976, 109970, 125680, 175952, 219940, 439880, 879760]

約数ペア:

[(1, 879760), (2, 439880), (4, 219940), (5, 175952), (7, 125680), (8, 109970), (10, 87976), (14, 62840), (16, 54985), (20, 43988), (28, 31420), (35, 25136), (40, 21994), (56, 15710), (70, 12568), (80, 10997), (112, 7855), (140, 6284), (280, 3142), (560, 1571)]