78133160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{279047}}^1$

素因数の和:279065

約数の個数: 32

約数和(自身を含む): 200914560

約数和(自身を除く): 122781400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 279047, 558094, 1116188, 1395235, 1953329, 2232376, 2790470, 3906658, 5580940, 7813316, 9766645, 11161880, 15626632, 19533290, 39066580, 78133160]

約数ペア:

[(1, 78133160), (2, 39066580), (4, 19533290), (5, 15626632), (7, 11161880), (8, 9766645), (10, 7813316), (14, 5580940), (20, 3906658), (28, 2790470), (35, 2232376), (40, 1953329), (56, 1395235), (70, 1116188), (140, 558094), (280, 279047)]