1247649660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{6931387}}^1$

素因数の和:6931402

約数の個数: 36

約数和(自身を含む): 3784537848

約数和(自身を除く): 2536888188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 6931387, 13862774, 20794161, 27725548, 34656935, 41588322, 62382483, 69313870, 83176644, 103970805, 124764966, 138627740, 207941610, 249529932, 311912415, 415883220, 623824830, 1247649660]

約数ペア:

[(1, 1247649660), (2, 623824830), (3, 415883220), (4, 311912415), (5, 249529932), (6, 207941610), (9, 138627740), (10, 124764966), (12, 103970805), (15, 83176644), (18, 69313870), (20, 62382483), (30, 41588322), (36, 34656935), (45, 27725548), (60, 20794161), (90, 13862774), (180, 6931387)]