156744391880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1\times {\mathrm{170887}}^1$

素因数の和:171918

約数の個数: 64

約数和(自身を含む): 368379843840

約数和(自身を除く): 211635451960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 997, 1994, 3988, 4985, 7976, 9970, 19940, 22931, 39880, 45862, 91724, 114655, 170887, 183448, 229310, 341774, 458620, 683548, 854435, 917240, 1367096, 1708870, 3417740, 3930401, 6835480, 7860802, 15721604, 19652005, 31443208, 39304010, 78608020, 157216040, 170374339, 340748678, 681497356, 851871695, 1362994712, 1703743390, 3407486780, 3918609797, 6814973560, 7837219594, 15674439188, 19593048985, 31348878376, 39186097970, 78372195940, 156744391880]

約数ペア:

[(1, 156744391880), (2, 78372195940), (4, 39186097970), (5, 31348878376), (8, 19593048985), (10, 15674439188), (20, 7837219594), (23, 6814973560), (40, 3918609797), (46, 3407486780), (92, 1703743390), (115, 1362994712), (184, 851871695), (230, 681497356), (460, 340748678), (920, 170374339), (997, 157216040), (1994, 78608020), (3988, 39304010), (4985, 31443208), (7976, 19652005), (9970, 15721604), (19940, 7860802), (22931, 6835480), (39880, 3930401), (45862, 3417740), (91724, 1708870), (114655, 1367096), (170887, 917240), (183448, 854435), (229310, 683548), (341774, 458620)]