257806560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:497

約数の個数: 192

約数和(自身を含む): 894426624

約数和(自身を除く): 636620064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 157, 160, 165, 176, 220, 240, 264, 311, 314, 330, 352, 440, 471, 480, 528, 622, 628, 660, 785, 880, 933, 942, 1056, 1244, 1256, 1320, 1555, 1570, 1727, 1760, 1866, 1884, 2355, 2488, 2512, 2640, 3110, 3140, 3421, 3454, 3732, 3768, 4665, 4710, 4976, 5024, 5181, 5280, 6220, 6280, 6842, 6908, 7464, 7536, 8635, 9330, 9420, 9952, 10263, 10362, 12440, 12560, 13684, 13816, 14928, 15072, 17105, 17270, 18660, 18840, 20526, 20724, 24880, 25120, 25905, 27368, 27632, 29856, 34210, 34540, 37320, 37680, 41052, 41448, 48827, 49760, 51315, 51810, 54736, 55264, 68420, 69080, 74640, 75360, 82104, 82896, 97654, 102630, 103620, 109472, 136840, 138160, 146481, 149280, 164208, 165792, 195308, 205260, 207240, 244135, 273680, 276320, 292962, 328416, 390616, 410520, 414480, 488270, 537097, 547360, 585924, 732405, 781232, 821040, 828960, 976540, 1074194, 1171848, 1464810, 1562464, 1611291, 1642080, 1953080, 2148388, 2343696, 2685485, 2929620, 3222582, 3906160, 4296776, 4687392, 5370970, 5859240, 6445164, 7812320, 8056455, 8593552, 10741940, 11718480, 12890328, 16112910, 17187104, 21483880, 23436960, 25780656, 32225820, 42967760, 51561312, 64451640, 85935520, 128903280, 257806560]

約数ペア:

[(1, 257806560), (2, 128903280), (3, 85935520), (4, 64451640), (5, 51561312), (6, 42967760), (8, 32225820), (10, 25780656), (11, 23436960), (12, 21483880), (15, 17187104), (16, 16112910), (20, 12890328), (22, 11718480), (24, 10741940), (30, 8593552), (32, 8056455), (33, 7812320), (40, 6445164), (44, 5859240), (48, 5370970), (55, 4687392), (60, 4296776), (66, 3906160), (80, 3222582), (88, 2929620), (96, 2685485), (110, 2343696), (120, 2148388), (132, 1953080), (157, 1642080), (160, 1611291), (165, 1562464), (176, 1464810), (220, 1171848), (240, 1074194), (264, 976540), (311, 828960), (314, 821040), (330, 781232), (352, 732405), (440, 585924), (471, 547360), (480, 537097), (528, 488270), (622, 414480), (628, 410520), (660, 390616), (785, 328416), (880, 292962), (933, 276320), (942, 273680), (1056, 244135), (1244, 207240), (1256, 205260), (1320, 195308), (1555, 165792), (1570, 164208), (1727, 149280), (1760, 146481), (1866, 138160), (1884, 136840), (2355, 109472), (2488, 103620), (2512, 102630), (2640, 97654), (3110, 82896), (3140, 82104), (3421, 75360), (3454, 74640), (3732, 69080), (3768, 68420), (4665, 55264), (4710, 54736), (4976, 51810), (5024, 51315), (5181, 49760), (5280, 48827), (6220, 41448), (6280, 41052), (6842, 37680), (6908, 37320), (7464, 34540), (7536, 34210), (8635, 29856), (9330, 27632), (9420, 27368), (9952, 25905), (10263, 25120), (10362, 24880), (12440, 20724), (12560, 20526), (13684, 18840), (13816, 18660), (14928, 17270), (15072, 17105)]