78729660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{437387}}^1$

素因数の和:437402

約数の個数: 36

約数和(自身を含む): 238813848

約数和(自身を除く): 160084188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 437387, 874774, 1312161, 1749548, 2186935, 2624322, 3936483, 4373870, 5248644, 6560805, 7872966, 8747740, 13121610, 15745932, 19682415, 26243220, 39364830, 78729660]

約数ペア:

[(1, 78729660), (2, 39364830), (3, 26243220), (4, 19682415), (5, 15745932), (6, 13121610), (9, 8747740), (10, 7872966), (12, 6560805), (15, 5248644), (18, 4373870), (20, 3936483), (30, 2624322), (36, 2186935), (45, 1749548), (60, 1312161), (90, 874774), (180, 437387)]