254983680

素因数分解:

$2^9\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 640

約数和(自身を含む): 1131356160

約数和(自身を除く): 876372480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 27, 28, 30, 31, 32, 34, 35, 36, 40, 42, 45, 48, 51, 54, 56, 60, 62, 63, 64, 68, 70, 72, 80, 84, 85, 90, 93, 96, 102, 105, 108, 112, 119, 120, 124, 126, 128, 135, 136, 140, 144, 153, 155, 160, 168, 170, 180, 186, 189, 192, 204, 210, 216, 217, 224, 238, 240, 248, 252, 255, 256, 270, 272, 279, 280, 288, 306, 310, 315, 320, 336, 340, 357, 360, 372, 378, 384, 408, 420, 432, 434, 448, 459, 465, 476, 480, 496, 504, 510, 512, 527, 540, 544, 558, 560, 576, 595, 612, 620, 630, 640, 651, 672, 680, 714, 720, 744, 756, 765, 768, 816, 837, 840, 864, 868, 896, 918, 930, 945, 952, 960, 992, 1008, 1020, 1054, 1071, 1080, 1085, 1088, 1116, 1120, 1152, 1190, 1224, 1240, 1260, 1280, 1302, 1344, 1360, 1395, 1428, 1440, 1488, 1512, 1530, 1536, 1581, 1632, 1674, 1680, 1728, 1736, 1785, 1792, 1836, 1860, 1890, 1904, 1920, 1953, 1984, 2016, 2040, 2108, 2142, 2160, 2170, 2176, 2232, 2240, 2295, 2304, 2380, 2448, 2480, 2520, 2560, 2604, 2635, 2688, 2720, 2790, 2856, 2880, 2976, 3024, 3060, 3162, 3213, 3255, 3264, 3348, 3360, 3456, 3472, 3570, 3584, 3672, 3689, 3720, 3780, 3808, 3840, 3906, 3968, 4032, 4080, 4185, 4216, 4284, 4320, 4340, 4352, 4464, 4480, 4590, 4608, 4743, 4760, 4896, 4960, 5040, 5208, 5270, 5355, 5376, 5440, 5580, 5712, 5760, 5859, 5952, 6048, 6120, 6324, 6426, 6510, 6528, 6696, 6720, 6912, 6944, 7140, 7344, 7378, 7440, 7560, 7616, 7680, 7812, 7905, 7936, 8064, 8160, 8370, 8432, 8568, 8640, 8680, 8704, 8928, 8960, 9180, 9486, 9520, 9765, 9792, 9920, 10080, 10416, 10540, 10710, 10752, 10880, 11067, 11160, 11424, 11520, 11718, 11904, 12096, 12240, 12648, 12852, 13020, 13056, 13392, 13440, 13824, 13888, 14229, 14280, 14688, 14756, 14880, 15120, 15232, 15624, 15810, 15872, 16065, 16128, 16320, 16740, 16864, 17136, 17280, 17360, 17856, 17920, 18360, 18445, 18972, 19040, 19530, 19584, 19840, 20160, 20832, 21080, 21420, 21760, 22134, 22320, 22848, 23040, 23436, 23715, 23808, 24192, 24480, 25296, 25704, 26040, 26112, 26784, 26880, 27776, 28458, 28560, 29295, 29376, 29512, 29760, 30240, 30464, 31248, 31620, 32130, 32256, 32640, 33201, 33480, 33728, 34272, 34560, 34720, 35712, 36720, 36890, 37944, 38080, 39060, 39168, 39680, 40320, 41664, 42160, 42840, 43520, 44268, 44640, 45696, 46872, 47430, 47616, 48384, 48960, 50592, 51408, 52080, 53568, 53760, 55335, 55552, 56916, 57120, 58590, 58752, 59024, 59520, 60480, 60928, 62496, 63240, 64260, 65280, 66402, 66960, 67456, 68544, 69120, 69440, 71145, 71424, 73440, 73780, 75888, 76160, 78120, 78336, 79360, 80640, 83328, 84320, 85680, 88536, 89280, 91392, 93744, 94860, 96768, 97920, 99603, 101184, 102816, 104160, 107136, 110670, 111104, 113832, 114240, 117180, 117504, 118048, 119040, 120960, 124992, 126480, 128520, 130560, 132804, 133920, 134912, 137088, 138880, 142290, 142848, 146880, 147560, 151776, 152320, 156240, 161280, 166005, 166656, 168640, 171360, 177072, 178560, 182784, 187488, 189720, 195840, 199206, 202368, 205632, 208320, 214272, 221340, 227664, 228480, 234360, 235008, 236096, 238080, 241920, 249984, 252960, 257040, 265608, 267840, 269824, 274176, 277760, 284580, 293760, 295120, 303552, 304640, 312480, 332010, 333312, 337280, 342720, 354144, 357120, 374976, 379440, 391680, 398412, 404736, 411264, 416640, 428544, 442680, 455328, 456960, 468720, 472192, 483840, 498015, 499968, 505920, 514080, 531216, 535680, 548352, 555520, 569160, 587520, 590240, 607104, 624960, 664020, 674560, 685440, 708288, 714240, 749952, 758880, 796824, 809472, 822528, 833280, 885360, 910656, 913920, 937440, 944384, 996030, 999936, 1011840, 1028160, 1062432, 1071360, 1138320, 1175040, 1180480, 1214208, 1249920, 1328040, 1349120, 1370880, 1416576, 1499904, 1517760, 1593648, 1645056, 1666560, 1770720, 1821312, 1874880, 1888768, 1992060, 2023680, 2056320, 2124864, 2142720, 2276640, 2360960, 2428416, 2499840, 2656080, 2741760, 2833152, 2999808, 3035520, 3187296, 3541440, 3642624, 3749760, 3984120, 4047360, 4112640, 4249728, 4553280, 4721920, 4999680, 5312160, 5666304, 6071040, 6374592, 7082880, 7285248, 7499520, 7968240, 8225280, 8499456, 9106560, 9443840, 10624320, 12142080, 12749184, 14165760, 14999040, 15936480, 16998912, 18213120, 21248640, 25498368, 28331520, 31872960, 36426240, 42497280, 50996736, 63745920, 84994560, 127491840, 254983680]

約数ペア:

[(1, 254983680), (2, 127491840), (3, 84994560), (4, 63745920), (5, 50996736), (6, 42497280), (7, 36426240), (8, 31872960), (9, 28331520), (10, 25498368), (12, 21248640), (14, 18213120), (15, 16998912), (16, 15936480), (17, 14999040), (18, 14165760), (20, 12749184), (21, 12142080), (24, 10624320), (27, 9443840), (28, 9106560), (30, 8499456), (31, 8225280), (32, 7968240), (34, 7499520), (35, 7285248), (36, 7082880), (40, 6374592), (42, 6071040), (45, 5666304), (48, 5312160), (51, 4999680), (54, 4721920), (56, 4553280), (60, 4249728), (62, 4112640), (63, 4047360), (64, 3984120), (68, 3749760), (70, 3642624), (72, 3541440), (80, 3187296), (84, 3035520), (85, 2999808), (90, 2833152), (93, 2741760), (96, 2656080), (102, 2499840), (105, 2428416), (108, 2360960), (112, 2276640), (119, 2142720), (120, 2124864), (124, 2056320), (126, 2023680), (128, 1992060), (135, 1888768), (136, 1874880), (140, 1821312), (144, 1770720), (153, 1666560), (155, 1645056), (160, 1593648), (168, 1517760), (170, 1499904), (180, 1416576), (186, 1370880), (189, 1349120), (192, 1328040), (204, 1249920), (210, 1214208), (216, 1180480), (217, 1175040), (224, 1138320), (238, 1071360), (240, 1062432), (248, 1028160), (252, 1011840), (255, 999936), (256, 996030), (270, 944384), (272, 937440), (279, 913920), (280, 910656), (288, 885360), (306, 833280), (310, 822528), (315, 809472), (320, 796824), (336, 758880), (340, 749952), (357, 714240), (360, 708288), (372, 685440), (378, 674560), (384, 664020), (408, 624960), (420, 607104), (432, 590240), (434, 587520), (448, 569160), (459, 555520), (465, 548352), (476, 535680), (480, 531216), (496, 514080), (504, 505920), (510, 499968), (512, 498015), (527, 483840), (540, 472192), (544, 468720), (558, 456960), (560, 455328), (576, 442680), (595, 428544), (612, 416640), (620, 411264), (630, 404736), (640, 398412), (651, 391680), (672, 379440), (680, 374976), (714, 357120), (720, 354144), (744, 342720), (756, 337280), (765, 333312), (768, 332010), (816, 312480), (837, 304640), (840, 303552), (864, 295120), (868, 293760), (896, 284580), (918, 277760), (930, 274176), (945, 269824), (952, 267840), (960, 265608), (992, 257040), (1008, 252960), (1020, 249984), (1054, 241920), (1071, 238080), (1080, 236096), (1085, 235008), (1088, 234360), (1116, 228480), (1120, 227664), (1152, 221340), (1190, 214272), (1224, 208320), (1240, 205632), (1260, 202368), (1280, 199206), (1302, 195840), (1344, 189720), (1360, 187488), (1395, 182784), (1428, 178560), (1440, 177072), (1488, 171360), (1512, 168640), (1530, 166656), (1536, 166005), (1581, 161280), (1632, 156240), (1674, 152320), (1680, 151776), (1728, 147560), (1736, 146880), (1785, 142848), (1792, 142290), (1836, 138880), (1860, 137088), (1890, 134912), (1904, 133920), (1920, 132804), (1953, 130560), (1984, 128520), (2016, 126480), (2040, 124992), (2108, 120960), (2142, 119040), (2160, 118048), (2170, 117504), (2176, 117180), (2232, 114240), (2240, 113832), (2295, 111104), (2304, 110670), (2380, 107136), (2448, 104160), (2480, 102816), (2520, 101184), (2560, 99603), (2604, 97920), (2635, 96768), (2688, 94860), (2720, 93744), (2790, 91392), (2856, 89280), (2880, 88536), (2976, 85680), (3024, 84320), (3060, 83328), (3162, 80640), (3213, 79360), (3255, 78336), (3264, 78120), (3348, 76160), (3360, 75888), (3456, 73780), (3472, 73440), (3570, 71424), (3584, 71145), (3672, 69440), (3689, 69120), (3720, 68544), (3780, 67456), (3808, 66960), (3840, 66402), (3906, 65280), (3968, 64260), (4032, 63240), (4080, 62496), (4185, 60928), (4216, 60480), (4284, 59520), (4320, 59024), (4340, 58752), (4352, 58590), (4464, 57120), (4480, 56916), (4590, 55552), (4608, 55335), (4743, 53760), (4760, 53568), (4896, 52080), (4960, 51408), (5040, 50592), (5208, 48960), (5270, 48384), (5355, 47616), (5376, 47430), (5440, 46872), (5580, 45696), (5712, 44640), (5760, 44268), (5859, 43520), (5952, 42840), (6048, 42160), (6120, 41664), (6324, 40320), (6426, 39680), (6510, 39168), (6528, 39060), (6696, 38080), (6720, 37944), (6912, 36890), (6944, 36720), (7140, 35712), (7344, 34720), (7378, 34560), (7440, 34272), (7560, 33728), (7616, 33480), (7680, 33201), (7812, 32640), (7905, 32256), (7936, 32130), (8064, 31620), (8160, 31248), (8370, 30464), (8432, 30240), (8568, 29760), (8640, 29512), (8680, 29376), (8704, 29295), (8928, 28560), (8960, 28458), (9180, 27776), (9486, 26880), (9520, 26784), (9765, 26112), (9792, 26040), (9920, 25704), (10080, 25296), (10416, 24480), (10540, 24192), (10710, 23808), (10752, 23715), (10880, 23436), (11067, 23040), (11160, 22848), (11424, 22320), (11520, 22134), (11718, 21760), (11904, 21420), (12096, 21080), (12240, 20832), (12648, 20160), (12852, 19840), (13020, 19584), (13056, 19530), (13392, 19040), (13440, 18972), (13824, 18445), (13888, 18360), (14229, 17920), (14280, 17856), (14688, 17360), (14756, 17280), (14880, 17136), (15120, 16864), (15232, 16740), (15624, 16320), (15810, 16128), (15872, 16065)]