257932080

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{2437}}^1$

素因数の和:2473

約数の個数: 240

約数和(自身を含む): 1033907040

約数和(自身を除く): 775974960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1512, 1680, 1764, 1890, 1960, 2160, 2205, 2352, 2437, 2520, 2646, 2940, 3024, 3528, 3780, 3920, 4410, 4874, 5040, 5292, 5880, 6615, 7056, 7311, 7560, 8820, 9748, 10584, 11760, 12185, 13230, 14622, 15120, 17059, 17640, 19496, 21168, 21933, 24370, 26460, 29244, 34118, 35280, 36555, 38992, 43866, 48740, 51177, 52920, 58488, 65799, 68236, 73110, 85295, 87732, 97480, 102354, 105840, 109665, 116976, 119413, 131598, 136472, 146220, 153531, 170590, 175464, 194960, 204708, 219330, 238826, 255885, 263196, 272944, 292440, 307062, 328995, 341180, 350928, 358239, 409416, 438660, 460593, 477652, 511770, 526392, 584880, 597065, 614124, 657990, 682360, 716478, 767655, 818832, 877320, 921186, 955304, 1023540, 1052784, 1074717, 1194130, 1228248, 1315980, 1364720, 1432956, 1535310, 1754640, 1791195, 1842372, 1910608, 2047080, 2149434, 2302965, 2388260, 2456496, 2631960, 2865912, 3070620, 3224151, 3582390, 3684744, 4094160, 4298868, 4605930, 4776520, 5263920, 5373585, 5731824, 6141240, 6448302, 7164780, 7369488, 8597736, 9211860, 9553040, 10747170, 12282480, 12896604, 14329560, 16120755, 17195472, 18423720, 21494340, 25793208, 28659120, 32241510, 36847440, 42988680, 51586416, 64483020, 85977360, 128966040, 257932080]

約数ペア:

[(1, 257932080), (2, 128966040), (3, 85977360), (4, 64483020), (5, 51586416), (6, 42988680), (7, 36847440), (8, 32241510), (9, 28659120), (10, 25793208), (12, 21494340), (14, 18423720), (15, 17195472), (16, 16120755), (18, 14329560), (20, 12896604), (21, 12282480), (24, 10747170), (27, 9553040), (28, 9211860), (30, 8597736), (35, 7369488), (36, 7164780), (40, 6448302), (42, 6141240), (45, 5731824), (48, 5373585), (49, 5263920), (54, 4776520), (56, 4605930), (60, 4298868), (63, 4094160), (70, 3684744), (72, 3582390), (80, 3224151), (84, 3070620), (90, 2865912), (98, 2631960), (105, 2456496), (108, 2388260), (112, 2302965), (120, 2149434), (126, 2047080), (135, 1910608), (140, 1842372), (144, 1791195), (147, 1754640), (168, 1535310), (180, 1432956), (189, 1364720), (196, 1315980), (210, 1228248), (216, 1194130), (240, 1074717), (245, 1052784), (252, 1023540), (270, 955304), (280, 921186), (294, 877320), (315, 818832), (336, 767655), (360, 716478), (378, 682360), (392, 657990), (420, 614124), (432, 597065), (441, 584880), (490, 526392), (504, 511770), (540, 477652), (560, 460593), (588, 438660), (630, 409416), (720, 358239), (735, 350928), (756, 341180), (784, 328995), (840, 307062), (882, 292440), (945, 272944), (980, 263196), (1008, 255885), (1080, 238826), (1176, 219330), (1260, 204708), (1323, 194960), (1470, 175464), (1512, 170590), (1680, 153531), (1764, 146220), (1890, 136472), (1960, 131598), (2160, 119413), (2205, 116976), (2352, 109665), (2437, 105840), (2520, 102354), (2646, 97480), (2940, 87732), (3024, 85295), (3528, 73110), (3780, 68236), (3920, 65799), (4410, 58488), (4874, 52920), (5040, 51177), (5292, 48740), (5880, 43866), (6615, 38992), (7056, 36555), (7311, 35280), (7560, 34118), (8820, 29244), (9748, 26460), (10584, 24370), (11760, 21933), (12185, 21168), (13230, 19496), (14622, 17640), (15120, 17059)]