251569920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^3\times {\mathrm{191}}^1$

素因数の和:236

約数の個数: 288

約数和(自身を含む): 941875200

約数和(自身を除く): 690305280

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, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 191, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 343, 382, 384, 392, 420, 448, 480, 490, 560, 573, 588, 640, 672, 686, 735, 764, 768, 784, 840, 896, 955, 960, 980, 1029, 1120, 1146, 1176, 1280, 1337, 1344, 1372, 1470, 1528, 1568, 1680, 1715, 1792, 1910, 1920, 1960, 2058, 2240, 2292, 2352, 2674, 2688, 2744, 2865, 2940, 3056, 3136, 3360, 3430, 3820, 3840, 3920, 4011, 4116, 4480, 4584, 4704, 5145, 5348, 5376, 5488, 5730, 5880, 6112, 6272, 6685, 6720, 6860, 7640, 7840, 8022, 8232, 8960, 9168, 9359, 9408, 10290, 10696, 10976, 11460, 11760, 12224, 12544, 13370, 13440, 13720, 15280, 15680, 16044, 16464, 18336, 18718, 18816, 20055, 20580, 21392, 21952, 22920, 23520, 24448, 26740, 26880, 27440, 28077, 30560, 31360, 32088, 32928, 36672, 37436, 37632, 40110, 41160, 42784, 43904, 45840, 46795, 47040, 48896, 53480, 54880, 56154, 61120, 62720, 64176, 65513, 65856, 73344, 74872, 80220, 82320, 85568, 87808, 91680, 93590, 94080, 106960, 109760, 112308, 122240, 128352, 131026, 131712, 140385, 146688, 149744, 160440, 164640, 171136, 183360, 187180, 188160, 196539, 213920, 219520, 224616, 244480, 256704, 262052, 263424, 280770, 299488, 320880, 327565, 329280, 342272, 366720, 374360, 393078, 427840, 439040, 449232, 513408, 524104, 561540, 598976, 641760, 655130, 658560, 733440, 748720, 786156, 855680, 898464, 982695, 1026816, 1048208, 1123080, 1197952, 1283520, 1310260, 1317120, 1497440, 1572312, 1711360, 1796928, 1965390, 2096416, 2246160, 2395904, 2567040, 2620520, 2994880, 3144624, 3593856, 3930780, 4192832, 4492320, 5134080, 5241040, 5989760, 6289248, 7187712, 7861560, 8385664, 8984640, 10482080, 11979520, 12578496, 15723120, 16771328, 17969280, 20964160, 25156992, 31446240, 35938560, 41928320, 50313984, 62892480, 83856640, 125784960, 251569920]

約数ペア:

[(1, 251569920), (2, 125784960), (3, 83856640), (4, 62892480), (5, 50313984), (6, 41928320), (7, 35938560), (8, 31446240), (10, 25156992), (12, 20964160), (14, 17969280), (15, 16771328), (16, 15723120), (20, 12578496), (21, 11979520), (24, 10482080), (28, 8984640), (30, 8385664), (32, 7861560), (35, 7187712), (40, 6289248), (42, 5989760), (48, 5241040), (49, 5134080), (56, 4492320), (60, 4192832), (64, 3930780), (70, 3593856), (80, 3144624), (84, 2994880), (96, 2620520), (98, 2567040), (105, 2395904), (112, 2246160), (120, 2096416), (128, 1965390), (140, 1796928), (147, 1711360), (160, 1572312), (168, 1497440), (191, 1317120), (192, 1310260), (196, 1283520), (210, 1197952), (224, 1123080), (240, 1048208), (245, 1026816), (256, 982695), (280, 898464), (294, 855680), (320, 786156), (336, 748720), (343, 733440), (382, 658560), (384, 655130), (392, 641760), (420, 598976), (448, 561540), (480, 524104), (490, 513408), (560, 449232), (573, 439040), (588, 427840), (640, 393078), (672, 374360), (686, 366720), (735, 342272), (764, 329280), (768, 327565), (784, 320880), (840, 299488), (896, 280770), (955, 263424), (960, 262052), (980, 256704), (1029, 244480), (1120, 224616), (1146, 219520), (1176, 213920), (1280, 196539), (1337, 188160), (1344, 187180), (1372, 183360), (1470, 171136), (1528, 164640), (1568, 160440), (1680, 149744), (1715, 146688), (1792, 140385), (1910, 131712), (1920, 131026), (1960, 128352), (2058, 122240), (2240, 112308), (2292, 109760), (2352, 106960), (2674, 94080), (2688, 93590), (2744, 91680), (2865, 87808), (2940, 85568), (3056, 82320), (3136, 80220), (3360, 74872), (3430, 73344), (3820, 65856), (3840, 65513), (3920, 64176), (4011, 62720), (4116, 61120), (4480, 56154), (4584, 54880), (4704, 53480), (5145, 48896), (5348, 47040), (5376, 46795), (5488, 45840), (5730, 43904), (5880, 42784), (6112, 41160), (6272, 40110), (6685, 37632), (6720, 37436), (6860, 36672), (7640, 32928), (7840, 32088), (8022, 31360), (8232, 30560), (8960, 28077), (9168, 27440), (9359, 26880), (9408, 26740), (10290, 24448), (10696, 23520), (10976, 22920), (11460, 21952), (11760, 21392), (12224, 20580), (12544, 20055), (13370, 18816), (13440, 18718), (13720, 18336), (15280, 16464), (15680, 16044)]