258640440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{277}}^1$

素因数の和:573

約数の個数: 128

約数和(自身を含む): 807045120

約数和(自身を除く): 548404680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 251, 277, 310, 372, 465, 502, 554, 620, 744, 753, 831, 930, 1004, 1108, 1240, 1255, 1385, 1506, 1662, 1860, 2008, 2216, 2510, 2770, 3012, 3324, 3720, 3765, 4155, 5020, 5540, 6024, 6648, 7530, 7781, 8310, 8587, 10040, 11080, 15060, 15562, 16620, 17174, 23343, 25761, 30120, 31124, 33240, 34348, 38905, 42935, 46686, 51522, 62248, 68696, 69527, 77810, 85870, 93372, 103044, 116715, 128805, 139054, 155620, 171740, 186744, 206088, 208581, 233430, 257610, 278108, 311240, 343480, 347635, 417162, 466860, 515220, 556216, 695270, 834324, 933720, 1030440, 1042905, 1390540, 1668648, 2085810, 2155337, 2781080, 4171620, 4310674, 6466011, 8343240, 8621348, 10776685, 12932022, 17242696, 21553370, 25864044, 32330055, 43106740, 51728088, 64660110, 86213480, 129320220, 258640440]

約数ペア:

[(1, 258640440), (2, 129320220), (3, 86213480), (4, 64660110), (5, 51728088), (6, 43106740), (8, 32330055), (10, 25864044), (12, 21553370), (15, 17242696), (20, 12932022), (24, 10776685), (30, 8621348), (31, 8343240), (40, 6466011), (60, 4310674), (62, 4171620), (93, 2781080), (120, 2155337), (124, 2085810), (155, 1668648), (186, 1390540), (248, 1042905), (251, 1030440), (277, 933720), (310, 834324), (372, 695270), (465, 556216), (502, 515220), (554, 466860), (620, 417162), (744, 347635), (753, 343480), (831, 311240), (930, 278108), (1004, 257610), (1108, 233430), (1240, 208581), (1255, 206088), (1385, 186744), (1506, 171740), (1662, 155620), (1860, 139054), (2008, 128805), (2216, 116715), (2510, 103044), (2770, 93372), (3012, 85870), (3324, 77810), (3720, 69527), (3765, 68696), (4155, 62248), (5020, 51522), (5540, 46686), (6024, 42935), (6648, 38905), (7530, 34348), (7781, 33240), (8310, 31124), (8587, 30120), (10040, 25761), (11080, 23343), (15060, 17174), (15562, 16620)]