257080320

素因数分解:

$2^{10}\times 3^2\times 5^1\times 7^1\times {\mathrm{797}}^1$

素因数の和:835

約数の個数: 264

約数和(自身を含む): 1019307744

約数和(自身を除く): 762227424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 797, 840, 896, 960, 1008, 1024, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1594, 1680, 1792, 1920, 2016, 2240, 2304, 2391, 2520, 2560, 2688, 2880, 3072, 3188, 3360, 3584, 3840, 3985, 4032, 4480, 4608, 4782, 5040, 5120, 5376, 5579, 5760, 6376, 6720, 7168, 7173, 7680, 7970, 8064, 8960, 9216, 9564, 10080, 10752, 11158, 11520, 11955, 12752, 13440, 14346, 15360, 15940, 16128, 16737, 17920, 19128, 20160, 21504, 22316, 23040, 23910, 25504, 26880, 27895, 28692, 31880, 32256, 33474, 35840, 35865, 38256, 40320, 44632, 46080, 47820, 50211, 51008, 53760, 55790, 57384, 63760, 64512, 66948, 71730, 76512, 80640, 83685, 89264, 95640, 100422, 102016, 107520, 111580, 114768, 127520, 133896, 143460, 153024, 161280, 167370, 178528, 191280, 200844, 204032, 223160, 229536, 251055, 255040, 267792, 286920, 306048, 322560, 334740, 357056, 382560, 401688, 408064, 446320, 459072, 502110, 510080, 535584, 573840, 612096, 669480, 714112, 765120, 803376, 816128, 892640, 918144, 1004220, 1020160, 1071168, 1147680, 1224192, 1338960, 1428224, 1530240, 1606752, 1785280, 1836288, 2008440, 2040320, 2142336, 2295360, 2448384, 2677920, 2856448, 3060480, 3213504, 3570560, 3672576, 4016880, 4080640, 4284672, 4590720, 5355840, 5712896, 6120960, 6427008, 7141120, 7345152, 8033760, 8569344, 9181440, 10711680, 12241920, 12854016, 14282240, 16067520, 17138688, 18362880, 21423360, 25708032, 28564480, 32135040, 36725760, 42846720, 51416064, 64270080, 85693440, 128540160, 257080320]

約数ペア:

[(1, 257080320), (2, 128540160), (3, 85693440), (4, 64270080), (5, 51416064), (6, 42846720), (7, 36725760), (8, 32135040), (9, 28564480), (10, 25708032), (12, 21423360), (14, 18362880), (15, 17138688), (16, 16067520), (18, 14282240), (20, 12854016), (21, 12241920), (24, 10711680), (28, 9181440), (30, 8569344), (32, 8033760), (35, 7345152), (36, 7141120), (40, 6427008), (42, 6120960), (45, 5712896), (48, 5355840), (56, 4590720), (60, 4284672), (63, 4080640), (64, 4016880), (70, 3672576), (72, 3570560), (80, 3213504), (84, 3060480), (90, 2856448), (96, 2677920), (105, 2448384), (112, 2295360), (120, 2142336), (126, 2040320), (128, 2008440), (140, 1836288), (144, 1785280), (160, 1606752), (168, 1530240), (180, 1428224), (192, 1338960), (210, 1224192), (224, 1147680), (240, 1071168), (252, 1020160), (256, 1004220), (280, 918144), (288, 892640), (315, 816128), (320, 803376), (336, 765120), (360, 714112), (384, 669480), (420, 612096), (448, 573840), (480, 535584), (504, 510080), (512, 502110), (560, 459072), (576, 446320), (630, 408064), (640, 401688), (672, 382560), (720, 357056), (768, 334740), (797, 322560), (840, 306048), (896, 286920), (960, 267792), (1008, 255040), (1024, 251055), (1120, 229536), (1152, 223160), (1260, 204032), (1280, 200844), (1344, 191280), (1440, 178528), (1536, 167370), (1594, 161280), (1680, 153024), (1792, 143460), (1920, 133896), (2016, 127520), (2240, 114768), (2304, 111580), (2391, 107520), (2520, 102016), (2560, 100422), (2688, 95640), (2880, 89264), (3072, 83685), (3188, 80640), (3360, 76512), (3584, 71730), (3840, 66948), (3985, 64512), (4032, 63760), (4480, 57384), (4608, 55790), (4782, 53760), (5040, 51008), (5120, 50211), (5376, 47820), (5579, 46080), (5760, 44632), (6376, 40320), (6720, 38256), (7168, 35865), (7173, 35840), (7680, 33474), (7970, 32256), (8064, 31880), (8960, 28692), (9216, 27895), (9564, 26880), (10080, 25504), (10752, 23910), (11158, 23040), (11520, 22316), (11955, 21504), (12752, 20160), (13440, 19128), (14346, 17920), (15360, 16737), (15940, 16128)]