139978980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{777661}}^1$

素因数の和:777676

約数の個数: 36

約数和(自身を含む): 424603452

約数和(自身を除く): 284624472

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 777661, 1555322, 2332983, 3110644, 3888305, 4665966, 6998949, 7776610, 9331932, 11664915, 13997898, 15553220, 23329830, 27995796, 34994745, 46659660, 69989490, 139978980]

約数ペア:

[(1, 139978980), (2, 69989490), (3, 46659660), (4, 34994745), (5, 27995796), (6, 23329830), (9, 15553220), (10, 13997898), (12, 11664915), (15, 9331932), (18, 7776610), (20, 6998949), (30, 4665966), (36, 3888305), (45, 3110644), (60, 2332983), (90, 1555322), (180, 777661)]