256949280

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1$

素因数の和:353

約数の個数: 384

約数和(自身を含む): 1066867200

約数和(自身を除く): 809917920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 29, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 58, 60, 63, 70, 72, 80, 84, 87, 90, 96, 105, 108, 112, 116, 120, 126, 135, 140, 144, 145, 160, 168, 174, 180, 189, 203, 210, 216, 224, 232, 240, 252, 261, 270, 280, 288, 290, 293, 315, 336, 348, 360, 378, 406, 420, 432, 435, 464, 480, 504, 522, 540, 560, 580, 586, 609, 630, 672, 696, 720, 756, 783, 812, 840, 864, 870, 879, 928, 945, 1008, 1015, 1044, 1080, 1120, 1160, 1172, 1218, 1260, 1305, 1392, 1440, 1465, 1512, 1566, 1624, 1680, 1740, 1758, 1827, 1890, 2016, 2030, 2051, 2088, 2160, 2320, 2344, 2436, 2520, 2610, 2637, 2784, 2930, 3024, 3045, 3132, 3248, 3360, 3480, 3516, 3654, 3780, 3915, 4060, 4102, 4176, 4320, 4395, 4640, 4688, 4872, 5040, 5220, 5274, 5481, 5860, 6048, 6090, 6153, 6264, 6496, 6960, 7032, 7308, 7560, 7830, 7911, 8120, 8204, 8352, 8497, 8790, 9135, 9376, 9744, 10080, 10255, 10440, 10548, 10962, 11720, 12180, 12306, 12528, 13185, 13920, 14064, 14616, 15120, 15660, 15822, 16240, 16408, 16994, 17580, 18270, 18459, 19488, 20510, 20880, 21096, 21924, 23440, 24360, 24612, 25056, 25491, 26370, 27405, 28128, 29232, 30240, 30765, 31320, 31644, 32480, 32816, 33988, 35160, 36540, 36918, 39555, 41020, 41760, 42192, 42485, 43848, 46880, 48720, 49224, 50982, 52740, 54810, 55377, 58464, 59479, 61530, 62640, 63288, 65632, 67976, 70320, 73080, 73836, 76473, 79110, 82040, 84384, 84970, 87696, 92295, 97440, 98448, 101964, 105480, 109620, 110754, 118958, 123060, 125280, 126576, 127455, 135952, 140640, 146160, 147672, 152946, 158220, 164080, 169940, 175392, 178437, 184590, 196896, 203928, 210960, 219240, 221508, 229419, 237916, 246120, 253152, 254910, 271904, 276885, 292320, 295344, 297395, 305892, 316440, 328160, 339880, 356874, 369180, 382365, 407856, 421920, 438480, 443016, 458838, 475832, 492240, 509820, 535311, 553770, 590688, 594790, 611784, 632880, 679760, 713748, 738360, 764730, 815712, 876960, 886032, 892185, 917676, 951664, 984480, 1019640, 1070622, 1107540, 1147095, 1189580, 1223568, 1265760, 1359520, 1427496, 1476720, 1529460, 1605933, 1772064, 1784370, 1835352, 1903328, 2039280, 2141244, 2215080, 2294190, 2379160, 2447136, 2676555, 2854992, 2953440, 3058920, 3211866, 3568740, 3670704, 4078560, 4282488, 4430160, 4588380, 4758320, 5353110, 5709984, 6117840, 6423732, 7137480, 7341408, 8029665, 8564976, 8860320, 9176760, 9516640, 10706220, 12235680, 12847464, 14274960, 16059330, 17129952, 18353520, 21412440, 25694928, 28549920, 32118660, 36707040, 42824880, 51389856, 64237320, 85649760, 128474640, 256949280]

約数ペア:

[(1, 256949280), (2, 128474640), (3, 85649760), (4, 64237320), (5, 51389856), (6, 42824880), (7, 36707040), (8, 32118660), (9, 28549920), (10, 25694928), (12, 21412440), (14, 18353520), (15, 17129952), (16, 16059330), (18, 14274960), (20, 12847464), (21, 12235680), (24, 10706220), (27, 9516640), (28, 9176760), (29, 8860320), (30, 8564976), (32, 8029665), (35, 7341408), (36, 7137480), (40, 6423732), (42, 6117840), (45, 5709984), (48, 5353110), (54, 4758320), (56, 4588380), (58, 4430160), (60, 4282488), (63, 4078560), (70, 3670704), (72, 3568740), (80, 3211866), (84, 3058920), (87, 2953440), (90, 2854992), (96, 2676555), (105, 2447136), (108, 2379160), (112, 2294190), (116, 2215080), (120, 2141244), (126, 2039280), (135, 1903328), (140, 1835352), (144, 1784370), (145, 1772064), (160, 1605933), (168, 1529460), (174, 1476720), (180, 1427496), (189, 1359520), (203, 1265760), (210, 1223568), (216, 1189580), (224, 1147095), (232, 1107540), (240, 1070622), (252, 1019640), (261, 984480), (270, 951664), (280, 917676), (288, 892185), (290, 886032), (293, 876960), (315, 815712), (336, 764730), (348, 738360), (360, 713748), (378, 679760), (406, 632880), (420, 611784), (432, 594790), (435, 590688), (464, 553770), (480, 535311), (504, 509820), (522, 492240), (540, 475832), (560, 458838), (580, 443016), (586, 438480), (609, 421920), (630, 407856), (672, 382365), (696, 369180), (720, 356874), (756, 339880), (783, 328160), (812, 316440), (840, 305892), (864, 297395), (870, 295344), (879, 292320), (928, 276885), (945, 271904), (1008, 254910), (1015, 253152), (1044, 246120), (1080, 237916), (1120, 229419), (1160, 221508), (1172, 219240), (1218, 210960), (1260, 203928), (1305, 196896), (1392, 184590), (1440, 178437), (1465, 175392), (1512, 169940), (1566, 164080), (1624, 158220), (1680, 152946), (1740, 147672), (1758, 146160), (1827, 140640), (1890, 135952), (2016, 127455), (2030, 126576), (2051, 125280), (2088, 123060), (2160, 118958), (2320, 110754), (2344, 109620), (2436, 105480), (2520, 101964), (2610, 98448), (2637, 97440), (2784, 92295), (2930, 87696), (3024, 84970), (3045, 84384), (3132, 82040), (3248, 79110), (3360, 76473), (3480, 73836), (3516, 73080), (3654, 70320), (3780, 67976), (3915, 65632), (4060, 63288), (4102, 62640), (4176, 61530), (4320, 59479), (4395, 58464), (4640, 55377), (4688, 54810), (4872, 52740), (5040, 50982), (5220, 49224), (5274, 48720), (5481, 46880), (5860, 43848), (6048, 42485), (6090, 42192), (6153, 41760), (6264, 41020), (6496, 39555), (6960, 36918), (7032, 36540), (7308, 35160), (7560, 33988), (7830, 32816), (7911, 32480), (8120, 31644), (8204, 31320), (8352, 30765), (8497, 30240), (8790, 29232), (9135, 28128), (9376, 27405), (9744, 26370), (10080, 25491), (10255, 25056), (10440, 24612), (10548, 24360), (10962, 23440), (11720, 21924), (12180, 21096), (12306, 20880), (12528, 20510), (13185, 19488), (13920, 18459), (14064, 18270), (14616, 17580), (15120, 16994), (15660, 16408), (15822, 16240)]