12321780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1499}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 34776000

約数和(自身を除く): 22454220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1499, 1644, 2055, 2740, 2998, 4110, 4497, 5996, 7495, 8220, 8994, 14990, 17988, 22485, 29980, 44970, 89940, 205363, 410726, 616089, 821452, 1026815, 1232178, 2053630, 2464356, 3080445, 4107260, 6160890, 12321780]

約数ペア:

[(1, 12321780), (2, 6160890), (3, 4107260), (4, 3080445), (5, 2464356), (6, 2053630), (10, 1232178), (12, 1026815), (15, 821452), (20, 616089), (30, 410726), (60, 205363), (137, 89940), (274, 44970), (411, 29980), (548, 22485), (685, 17988), (822, 14990), (1370, 8994), (1499, 8220), (1644, 7495), (2055, 5996), (2740, 4497), (2998, 4110)]