12687660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{70487}}^1$

素因数の和:70502

約数の個数: 36

約数和(自身を含む): 38486448

約数和(自身を除く): 25798788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 70487, 140974, 211461, 281948, 352435, 422922, 634383, 704870, 845844, 1057305, 1268766, 1409740, 2114610, 2537532, 3171915, 4229220, 6343830, 12687660]

約数ペア:

[(1, 12687660), (2, 6343830), (3, 4229220), (4, 3171915), (5, 2537532), (6, 2114610), (9, 1409740), (10, 1268766), (12, 1057305), (15, 845844), (18, 704870), (20, 634383), (30, 422922), (36, 352435), (45, 281948), (60, 211461), (90, 140974), (180, 70487)]