505751940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{20509}}^1$

素因数の和:20661

約数の個数: 72

約数和(自身を含む): 1545387480

約数和(自身を除く): 1039635540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2740, 4110, 4932, 6165, 8220, 12330, 20509, 24660, 41018, 61527, 82036, 102545, 123054, 184581, 205090, 246108, 307635, 369162, 410180, 615270, 738324, 922905, 1230540, 1845810, 2809733, 3691620, 5619466, 8429199, 11238932, 14048665, 16858398, 25287597, 28097330, 33716796, 42145995, 50575194, 56194660, 84291990, 101150388, 126437985, 168583980, 252875970, 505751940]

約数ペア:

[(1, 505751940), (2, 252875970), (3, 168583980), (4, 126437985), (5, 101150388), (6, 84291990), (9, 56194660), (10, 50575194), (12, 42145995), (15, 33716796), (18, 28097330), (20, 25287597), (30, 16858398), (36, 14048665), (45, 11238932), (60, 8429199), (90, 5619466), (137, 3691620), (180, 2809733), (274, 1845810), (411, 1230540), (548, 922905), (685, 738324), (822, 615270), (1233, 410180), (1370, 369162), (1644, 307635), (2055, 246108), (2466, 205090), (2740, 184581), (4110, 123054), (4932, 102545), (6165, 82036), (8220, 61527), (12330, 41018), (20509, 24660)]