257564160

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{1597}}^1$

素因数の和:1633

約数の個数: 240

約数和(自身を含む): 1020086496

約数和(自身を除く): 762522336

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, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1597, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3194, 3360, 3584, 3840, 4032, 4480, 4608, 4791, 5040, 5376, 5760, 6388, 6720, 7680, 7985, 8064, 8960, 9582, 10080, 10752, 11179, 11520, 12776, 13440, 14373, 15970, 16128, 17920, 19164, 20160, 22358, 23040, 23955, 25552, 26880, 28746, 31940, 32256, 33537, 38328, 40320, 44716, 47910, 51104, 53760, 55895, 57492, 63880, 67074, 71865, 76656, 80640, 89432, 95820, 100611, 102208, 111790, 114984, 127760, 134148, 143730, 153312, 161280, 167685, 178864, 191640, 201222, 204416, 223580, 229968, 255520, 268296, 287460, 306624, 335370, 357728, 383280, 402444, 408832, 447160, 459936, 503055, 511040, 536592, 574920, 613248, 670740, 715456, 766560, 804888, 817664, 894320, 919872, 1006110, 1022080, 1073184, 1149840, 1226496, 1341480, 1430912, 1533120, 1609776, 1788640, 1839744, 2012220, 2044160, 2146368, 2299680, 2452992, 2682960, 2861824, 3066240, 3219552, 3577280, 3679488, 4024440, 4088320, 4292736, 4599360, 5365920, 5723648, 6132480, 6439104, 7154560, 7358976, 8048880, 8585472, 9198720, 10731840, 12264960, 12878208, 14309120, 16097760, 17170944, 18397440, 21463680, 25756416, 28618240, 32195520, 36794880, 42927360, 51512832, 64391040, 85854720, 128782080, 257564160]

約数ペア:

[(1, 257564160), (2, 128782080), (3, 85854720), (4, 64391040), (5, 51512832), (6, 42927360), (7, 36794880), (8, 32195520), (9, 28618240), (10, 25756416), (12, 21463680), (14, 18397440), (15, 17170944), (16, 16097760), (18, 14309120), (20, 12878208), (21, 12264960), (24, 10731840), (28, 9198720), (30, 8585472), (32, 8048880), (35, 7358976), (36, 7154560), (40, 6439104), (42, 6132480), (45, 5723648), (48, 5365920), (56, 4599360), (60, 4292736), (63, 4088320), (64, 4024440), (70, 3679488), (72, 3577280), (80, 3219552), (84, 3066240), (90, 2861824), (96, 2682960), (105, 2452992), (112, 2299680), (120, 2146368), (126, 2044160), (128, 2012220), (140, 1839744), (144, 1788640), (160, 1609776), (168, 1533120), (180, 1430912), (192, 1341480), (210, 1226496), (224, 1149840), (240, 1073184), (252, 1022080), (256, 1006110), (280, 919872), (288, 894320), (315, 817664), (320, 804888), (336, 766560), (360, 715456), (384, 670740), (420, 613248), (448, 574920), (480, 536592), (504, 511040), (512, 503055), (560, 459936), (576, 447160), (630, 408832), (640, 402444), (672, 383280), (720, 357728), (768, 335370), (840, 306624), (896, 287460), (960, 268296), (1008, 255520), (1120, 229968), (1152, 223580), (1260, 204416), (1280, 201222), (1344, 191640), (1440, 178864), (1536, 167685), (1597, 161280), (1680, 153312), (1792, 143730), (1920, 134148), (2016, 127760), (2240, 114984), (2304, 111790), (2520, 102208), (2560, 100611), (2688, 95820), (2880, 89432), (3194, 80640), (3360, 76656), (3584, 71865), (3840, 67074), (4032, 63880), (4480, 57492), (4608, 55895), (4791, 53760), (5040, 51104), (5376, 47910), (5760, 44716), (6388, 40320), (6720, 38328), (7680, 33537), (7985, 32256), (8064, 31940), (8960, 28746), (9582, 26880), (10080, 25552), (10752, 23955), (11179, 23040), (11520, 22358), (12776, 20160), (13440, 19164), (14373, 17920), (15970, 16128)]