291915090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1811}}^1$

素因数の和:2029

約数の個数: 80

約数和(自身を含む): 789307200

約数和(自身を除く): 497392110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 199, 270, 398, 405, 597, 810, 995, 1194, 1791, 1811, 1990, 2985, 3582, 3622, 5373, 5433, 5970, 8955, 9055, 10746, 10866, 16119, 16299, 17910, 18110, 26865, 27165, 32238, 32598, 48897, 53730, 54330, 80595, 81495, 97794, 146691, 161190, 162990, 244485, 293382, 360389, 488970, 720778, 733455, 1081167, 1466910, 1801945, 2162334, 3243501, 3603890, 5405835, 6487002, 9730503, 10811670, 16217505, 19461006, 29191509, 32435010, 48652515, 58383018, 97305030, 145957545, 291915090]

約数ペア:

[(1, 291915090), (2, 145957545), (3, 97305030), (5, 58383018), (6, 48652515), (9, 32435010), (10, 29191509), (15, 19461006), (18, 16217505), (27, 10811670), (30, 9730503), (45, 6487002), (54, 5405835), (81, 3603890), (90, 3243501), (135, 2162334), (162, 1801945), (199, 1466910), (270, 1081167), (398, 733455), (405, 720778), (597, 488970), (810, 360389), (995, 293382), (1194, 244485), (1791, 162990), (1811, 161190), (1990, 146691), (2985, 97794), (3582, 81495), (3622, 80595), (5373, 54330), (5433, 53730), (5970, 48897), (8955, 32598), (9055, 32238), (10746, 27165), (10866, 26865), (16119, 18110), (16299, 17910)]