257449920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:468

約数の個数: 336

約数和(自身を含む): 1026432288

約数和(自身を除く): 768982368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 49, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 98, 104, 105, 112, 120, 130, 140, 147, 156, 160, 168, 182, 192, 195, 196, 208, 210, 224, 240, 245, 260, 273, 280, 294, 312, 320, 336, 364, 390, 392, 416, 420, 421, 448, 455, 480, 490, 520, 546, 560, 588, 624, 637, 672, 728, 735, 780, 784, 832, 840, 842, 910, 960, 980, 1040, 1092, 1120, 1176, 1248, 1263, 1274, 1344, 1365, 1456, 1470, 1560, 1568, 1680, 1684, 1820, 1911, 1960, 2080, 2105, 2184, 2240, 2352, 2496, 2526, 2548, 2730, 2912, 2940, 2947, 3120, 3136, 3185, 3360, 3368, 3640, 3822, 3920, 4160, 4210, 4368, 4704, 5052, 5096, 5460, 5473, 5824, 5880, 5894, 6240, 6315, 6370, 6720, 6736, 7280, 7644, 7840, 8420, 8736, 8841, 9408, 9555, 10104, 10192, 10920, 10946, 11760, 11788, 12480, 12630, 12740, 13472, 14560, 14735, 15288, 15680, 16419, 16840, 17472, 17682, 19110, 20208, 20384, 20629, 21840, 21892, 23520, 23576, 25260, 25480, 26944, 27365, 29120, 29470, 30576, 32838, 33680, 35364, 38220, 38311, 40416, 40768, 41258, 43680, 43784, 44205, 47040, 47152, 50520, 50960, 54730, 58940, 61152, 61887, 65676, 67360, 70728, 76440, 76622, 80832, 82095, 82516, 87360, 87568, 88410, 94304, 101040, 101920, 103145, 109460, 114933, 117880, 122304, 123774, 131352, 134720, 141456, 152880, 153244, 164190, 165032, 175136, 176820, 188608, 191555, 202080, 203840, 206290, 218920, 229866, 235760, 247548, 262704, 268177, 282912, 305760, 306488, 309435, 328380, 330064, 350272, 353640, 383110, 404160, 412580, 437840, 459732, 471520, 495096, 525408, 536354, 565824, 574665, 611520, 612976, 618870, 656760, 660128, 707280, 766220, 804531, 825160, 875680, 919464, 943040, 990192, 1050816, 1072708, 1149330, 1225952, 1237740, 1313520, 1320256, 1340885, 1414560, 1532440, 1609062, 1650320, 1751360, 1838928, 1980384, 2145416, 2298660, 2451904, 2475480, 2627040, 2681770, 2829120, 3064880, 3218124, 3300640, 3677856, 3960768, 4022655, 4290832, 4597320, 4950960, 5254080, 5363540, 6129760, 6436248, 6601280, 7355712, 8045310, 8581664, 9194640, 9901920, 10727080, 12259520, 12872496, 16090620, 17163328, 18389280, 19803840, 21454160, 25744992, 32181240, 36778560, 42908320, 51489984, 64362480, 85816640, 128724960, 257449920]

約数ペア:

[(1, 257449920), (2, 128724960), (3, 85816640), (4, 64362480), (5, 51489984), (6, 42908320), (7, 36778560), (8, 32181240), (10, 25744992), (12, 21454160), (13, 19803840), (14, 18389280), (15, 17163328), (16, 16090620), (20, 12872496), (21, 12259520), (24, 10727080), (26, 9901920), (28, 9194640), (30, 8581664), (32, 8045310), (35, 7355712), (39, 6601280), (40, 6436248), (42, 6129760), (48, 5363540), (49, 5254080), (52, 4950960), (56, 4597320), (60, 4290832), (64, 4022655), (65, 3960768), (70, 3677856), (78, 3300640), (80, 3218124), (84, 3064880), (91, 2829120), (96, 2681770), (98, 2627040), (104, 2475480), (105, 2451904), (112, 2298660), (120, 2145416), (130, 1980384), (140, 1838928), (147, 1751360), (156, 1650320), (160, 1609062), (168, 1532440), (182, 1414560), (192, 1340885), (195, 1320256), (196, 1313520), (208, 1237740), (210, 1225952), (224, 1149330), (240, 1072708), (245, 1050816), (260, 990192), (273, 943040), (280, 919464), (294, 875680), (312, 825160), (320, 804531), (336, 766220), (364, 707280), (390, 660128), (392, 656760), (416, 618870), (420, 612976), (421, 611520), (448, 574665), (455, 565824), (480, 536354), (490, 525408), (520, 495096), (546, 471520), (560, 459732), (588, 437840), (624, 412580), (637, 404160), (672, 383110), (728, 353640), (735, 350272), (780, 330064), (784, 328380), (832, 309435), (840, 306488), (842, 305760), (910, 282912), (960, 268177), (980, 262704), (1040, 247548), (1092, 235760), (1120, 229866), (1176, 218920), (1248, 206290), (1263, 203840), (1274, 202080), (1344, 191555), (1365, 188608), (1456, 176820), (1470, 175136), (1560, 165032), (1568, 164190), (1680, 153244), (1684, 152880), (1820, 141456), (1911, 134720), (1960, 131352), (2080, 123774), (2105, 122304), (2184, 117880), (2240, 114933), (2352, 109460), (2496, 103145), (2526, 101920), (2548, 101040), (2730, 94304), (2912, 88410), (2940, 87568), (2947, 87360), (3120, 82516), (3136, 82095), (3185, 80832), (3360, 76622), (3368, 76440), (3640, 70728), (3822, 67360), (3920, 65676), (4160, 61887), (4210, 61152), (4368, 58940), (4704, 54730), (5052, 50960), (5096, 50520), (5460, 47152), (5473, 47040), (5824, 44205), (5880, 43784), (5894, 43680), (6240, 41258), (6315, 40768), (6370, 40416), (6720, 38311), (6736, 38220), (7280, 35364), (7644, 33680), (7840, 32838), (8420, 30576), (8736, 29470), (8841, 29120), (9408, 27365), (9555, 26944), (10104, 25480), (10192, 25260), (10920, 23576), (10946, 23520), (11760, 21892), (11788, 21840), (12480, 20629), (12630, 20384), (12740, 20208), (13472, 19110), (14560, 17682), (14735, 17472), (15288, 16840), (15680, 16419)]