256959360

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{6373}}^1$

素因数の和:6405

約数の個数: 192

約数和(自身を含む): 1014230880

約数和(自身を除く): 757271520

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, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6373, 6720, 8064, 10080, 12746, 13440, 19119, 20160, 25492, 31865, 38238, 40320, 44611, 50984, 57357, 63730, 76476, 89222, 95595, 101968, 114714, 127460, 133833, 152952, 178444, 191190, 203936, 223055, 229428, 254920, 267666, 286785, 305904, 356888, 382380, 401499, 407872, 446110, 458856, 509840, 535332, 573570, 611808, 669165, 713776, 764760, 802998, 815744, 892220, 917712, 1019680, 1070664, 1147140, 1223616, 1338330, 1427552, 1529520, 1605996, 1784440, 1835424, 2007495, 2039360, 2141328, 2294280, 2447232, 2676660, 2855104, 3059040, 3211992, 3568880, 3670848, 4014990, 4078720, 4282656, 4588560, 5353320, 5710208, 6118080, 6423984, 7137760, 7341696, 8029980, 8565312, 9177120, 10706640, 12236160, 12847968, 14275520, 16059960, 17130624, 18354240, 21413280, 25695936, 28551040, 32119920, 36708480, 42826560, 51391872, 64239840, 85653120, 128479680, 256959360]

約数ペア:

[(1, 256959360), (2, 128479680), (3, 85653120), (4, 64239840), (5, 51391872), (6, 42826560), (7, 36708480), (8, 32119920), (9, 28551040), (10, 25695936), (12, 21413280), (14, 18354240), (15, 17130624), (16, 16059960), (18, 14275520), (20, 12847968), (21, 12236160), (24, 10706640), (28, 9177120), (30, 8565312), (32, 8029980), (35, 7341696), (36, 7137760), (40, 6423984), (42, 6118080), (45, 5710208), (48, 5353320), (56, 4588560), (60, 4282656), (63, 4078720), (64, 4014990), (70, 3670848), (72, 3568880), (80, 3211992), (84, 3059040), (90, 2855104), (96, 2676660), (105, 2447232), (112, 2294280), (120, 2141328), (126, 2039360), (128, 2007495), (140, 1835424), (144, 1784440), (160, 1605996), (168, 1529520), (180, 1427552), (192, 1338330), (210, 1223616), (224, 1147140), (240, 1070664), (252, 1019680), (280, 917712), (288, 892220), (315, 815744), (320, 802998), (336, 764760), (360, 713776), (384, 669165), (420, 611808), (448, 573570), (480, 535332), (504, 509840), (560, 458856), (576, 446110), (630, 407872), (640, 401499), (672, 382380), (720, 356888), (840, 305904), (896, 286785), (960, 267666), (1008, 254920), (1120, 229428), (1152, 223055), (1260, 203936), (1344, 191190), (1440, 178444), (1680, 152952), (1920, 133833), (2016, 127460), (2240, 114714), (2520, 101968), (2688, 95595), (2880, 89222), (3360, 76476), (4032, 63730), (4480, 57357), (5040, 50984), (5760, 44611), (6373, 40320), (6720, 38238), (8064, 31865), (10080, 25492), (12746, 20160), (13440, 19119)]