1721962920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{72109}}^1$

素因数の和:72322

約数の個数: 64

約数和(自身を含む): 5191920000

約数和(自身を除く): 3469957080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 995, 1194, 1592, 1990, 2388, 2985, 3980, 4776, 5970, 7960, 11940, 23880, 72109, 144218, 216327, 288436, 360545, 432654, 576872, 721090, 865308, 1081635, 1442180, 1730616, 2163270, 2884360, 4326540, 8653080, 14349691, 28699382, 43049073, 57398764, 71748455, 86098146, 114797528, 143496910, 172196292, 215245365, 286993820, 344392584, 430490730, 573987640, 860981460, 1721962920]

約数ペア:

[(1, 1721962920), (2, 860981460), (3, 573987640), (4, 430490730), (5, 344392584), (6, 286993820), (8, 215245365), (10, 172196292), (12, 143496910), (15, 114797528), (20, 86098146), (24, 71748455), (30, 57398764), (40, 43049073), (60, 28699382), (120, 14349691), (199, 8653080), (398, 4326540), (597, 2884360), (796, 2163270), (995, 1730616), (1194, 1442180), (1592, 1081635), (1990, 865308), (2388, 721090), (2985, 576872), (3980, 432654), (4776, 360545), (5970, 288436), (7960, 216327), (11940, 144218), (23880, 72109)]