1280302740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{5501}}^1$

素因数の和:5950

約数の個数: 96

約数和(自身を含む): 3993131520

約数和(自身を除く): 2712828780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 431, 540, 862, 1293, 1724, 2155, 2586, 3879, 4310, 5172, 5501, 6465, 7758, 8620, 11002, 11637, 12930, 15516, 16503, 19395, 22004, 23274, 25860, 27505, 33006, 38790, 46548, 49509, 55010, 58185, 66012, 77580, 82515, 99018, 110020, 116370, 148527, 165030, 198036, 232740, 247545, 297054, 330060, 495090, 594108, 742635, 990180, 1485270, 2370931, 2970540, 4741862, 7112793, 9483724, 11854655, 14225586, 21338379, 23709310, 28451172, 35563965, 42676758, 47418620, 64015137, 71127930, 85353516, 106691895, 128030274, 142255860, 213383790, 256060548, 320075685, 426767580, 640151370, 1280302740]

約数ペア:

[(1, 1280302740), (2, 640151370), (3, 426767580), (4, 320075685), (5, 256060548), (6, 213383790), (9, 142255860), (10, 128030274), (12, 106691895), (15, 85353516), (18, 71127930), (20, 64015137), (27, 47418620), (30, 42676758), (36, 35563965), (45, 28451172), (54, 23709310), (60, 21338379), (90, 14225586), (108, 11854655), (135, 9483724), (180, 7112793), (270, 4741862), (431, 2970540), (540, 2370931), (862, 1485270), (1293, 990180), (1724, 742635), (2155, 594108), (2586, 495090), (3879, 330060), (4310, 297054), (5172, 247545), (5501, 232740), (6465, 198036), (7758, 165030), (8620, 148527), (11002, 116370), (11637, 110020), (12930, 99018), (15516, 82515), (16503, 77580), (19395, 66012), (22004, 58185), (23274, 55010), (25860, 49509), (27505, 46548), (33006, 38790)]