251489280

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^1\times {\mathrm{2339}}^1$

素因数の和:2374

約数の個数: 176

約数和(自身を含む): 919676160

約数和(自身を除く): 668186880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1024, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2339, 2560, 2688, 3072, 3360, 3584, 3840, 4480, 4678, 5120, 5376, 6720, 7017, 7168, 7680, 8960, 9356, 10752, 11695, 13440, 14034, 15360, 16373, 17920, 18712, 21504, 23390, 26880, 28068, 32746, 35085, 35840, 37424, 46780, 49119, 53760, 56136, 65492, 70170, 74848, 81865, 93560, 98238, 107520, 112272, 130984, 140340, 149696, 163730, 187120, 196476, 224544, 245595, 261968, 280680, 299392, 327460, 374240, 392952, 449088, 491190, 523936, 561360, 598784, 654920, 748480, 785904, 898176, 982380, 1047872, 1122720, 1197568, 1309840, 1496960, 1571808, 1796352, 1964760, 2095744, 2245440, 2395136, 2619680, 2993920, 3143616, 3592704, 3929520, 4191488, 4490880, 5239360, 5987840, 6287232, 7185408, 7859040, 8382976, 8981760, 10478720, 11975680, 12574464, 15718080, 16765952, 17963520, 20957440, 25148928, 31436160, 35927040, 41914880, 50297856, 62872320, 83829760, 125744640, 251489280]

約数ペア:

[(1, 251489280), (2, 125744640), (3, 83829760), (4, 62872320), (5, 50297856), (6, 41914880), (7, 35927040), (8, 31436160), (10, 25148928), (12, 20957440), (14, 17963520), (15, 16765952), (16, 15718080), (20, 12574464), (21, 11975680), (24, 10478720), (28, 8981760), (30, 8382976), (32, 7859040), (35, 7185408), (40, 6287232), (42, 5987840), (48, 5239360), (56, 4490880), (60, 4191488), (64, 3929520), (70, 3592704), (80, 3143616), (84, 2993920), (96, 2619680), (105, 2395136), (112, 2245440), (120, 2095744), (128, 1964760), (140, 1796352), (160, 1571808), (168, 1496960), (192, 1309840), (210, 1197568), (224, 1122720), (240, 1047872), (256, 982380), (280, 898176), (320, 785904), (336, 748480), (384, 654920), (420, 598784), (448, 561360), (480, 523936), (512, 491190), (560, 449088), (640, 392952), (672, 374240), (768, 327460), (840, 299392), (896, 280680), (960, 261968), (1024, 245595), (1120, 224544), (1280, 196476), (1344, 187120), (1536, 163730), (1680, 149696), (1792, 140340), (1920, 130984), (2240, 112272), (2339, 107520), (2560, 98238), (2688, 93560), (3072, 81865), (3360, 74848), (3584, 70170), (3840, 65492), (4480, 56136), (4678, 53760), (5120, 49119), (5376, 46780), (6720, 37424), (7017, 35840), (7168, 35085), (7680, 32746), (8960, 28068), (9356, 26880), (10752, 23390), (11695, 21504), (13440, 18712), (14034, 17920), (15360, 16373)]