251579520

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 320

約数和(自身を含む): 941941440

約数和(自身を除く): 690361920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 81, 90, 92, 96, 108, 115, 120, 128, 135, 138, 144, 160, 162, 180, 184, 192, 207, 211, 216, 230, 240, 270, 276, 288, 320, 324, 345, 360, 368, 384, 405, 414, 422, 432, 460, 480, 540, 552, 576, 621, 633, 640, 648, 690, 720, 736, 810, 828, 844, 864, 920, 960, 1035, 1055, 1080, 1104, 1152, 1242, 1266, 1296, 1380, 1440, 1472, 1620, 1656, 1688, 1728, 1840, 1863, 1899, 1920, 2070, 2110, 2160, 2208, 2484, 2532, 2592, 2760, 2880, 2944, 3105, 3165, 3240, 3312, 3376, 3456, 3680, 3726, 3798, 4140, 4220, 4320, 4416, 4853, 4968, 5064, 5184, 5520, 5697, 5760, 6210, 6330, 6480, 6624, 6752, 7360, 7452, 7596, 8280, 8440, 8640, 8832, 9315, 9495, 9706, 9936, 10128, 10368, 11040, 11394, 12420, 12660, 12960, 13248, 13504, 14559, 14720, 14904, 15192, 16560, 16880, 17091, 17280, 18630, 18990, 19412, 19872, 20256, 22080, 22788, 24265, 24840, 25320, 25920, 26496, 27008, 28485, 29118, 29808, 30384, 33120, 33760, 34182, 37260, 37980, 38824, 39744, 40512, 43677, 44160, 45576, 48530, 49680, 50640, 51840, 56970, 58236, 59616, 60768, 66240, 67520, 68364, 72795, 74520, 75960, 77648, 79488, 81024, 85455, 87354, 91152, 97060, 99360, 101280, 113940, 116472, 119232, 121536, 131031, 132480, 135040, 136728, 145590, 149040, 151920, 155296, 170910, 174708, 182304, 194120, 198720, 202560, 218385, 227880, 232944, 238464, 243072, 262062, 273456, 291180, 298080, 303840, 310592, 341820, 349416, 364608, 388240, 393093, 397440, 405120, 436770, 455760, 465888, 524124, 546912, 582360, 596160, 607680, 621184, 655155, 683640, 698832, 729216, 776480, 786186, 873540, 911520, 931776, 1048248, 1093824, 1164720, 1192320, 1215360, 1310310, 1367280, 1397664, 1552960, 1572372, 1747080, 1823040, 1863552, 1965465, 2096496, 2187648, 2329440, 2620620, 2734560, 2795328, 3105920, 3144744, 3494160, 3646080, 3930930, 4192992, 4658880, 5241240, 5469120, 5590656, 6289488, 6988320, 7861860, 8385984, 9317760, 10482480, 10938240, 12578976, 13976640, 15723720, 16771968, 20964960, 25157952, 27953280, 31447440, 41929920, 50315904, 62894880, 83859840, 125789760, 251579520]

約数ペア:

[(1, 251579520), (2, 125789760), (3, 83859840), (4, 62894880), (5, 50315904), (6, 41929920), (8, 31447440), (9, 27953280), (10, 25157952), (12, 20964960), (15, 16771968), (16, 15723720), (18, 13976640), (20, 12578976), (23, 10938240), (24, 10482480), (27, 9317760), (30, 8385984), (32, 7861860), (36, 6988320), (40, 6289488), (45, 5590656), (46, 5469120), (48, 5241240), (54, 4658880), (60, 4192992), (64, 3930930), (69, 3646080), (72, 3494160), (80, 3144744), (81, 3105920), (90, 2795328), (92, 2734560), (96, 2620620), (108, 2329440), (115, 2187648), (120, 2096496), (128, 1965465), (135, 1863552), (138, 1823040), (144, 1747080), (160, 1572372), (162, 1552960), (180, 1397664), (184, 1367280), (192, 1310310), (207, 1215360), (211, 1192320), (216, 1164720), (230, 1093824), (240, 1048248), (270, 931776), (276, 911520), (288, 873540), (320, 786186), (324, 776480), (345, 729216), (360, 698832), (368, 683640), (384, 655155), (405, 621184), (414, 607680), (422, 596160), (432, 582360), (460, 546912), (480, 524124), (540, 465888), (552, 455760), (576, 436770), (621, 405120), (633, 397440), (640, 393093), (648, 388240), (690, 364608), (720, 349416), (736, 341820), (810, 310592), (828, 303840), (844, 298080), (864, 291180), (920, 273456), (960, 262062), (1035, 243072), (1055, 238464), (1080, 232944), (1104, 227880), (1152, 218385), (1242, 202560), (1266, 198720), (1296, 194120), (1380, 182304), (1440, 174708), (1472, 170910), (1620, 155296), (1656, 151920), (1688, 149040), (1728, 145590), (1840, 136728), (1863, 135040), (1899, 132480), (1920, 131031), (2070, 121536), (2110, 119232), (2160, 116472), (2208, 113940), (2484, 101280), (2532, 99360), (2592, 97060), (2760, 91152), (2880, 87354), (2944, 85455), (3105, 81024), (3165, 79488), (3240, 77648), (3312, 75960), (3376, 74520), (3456, 72795), (3680, 68364), (3726, 67520), (3798, 66240), (4140, 60768), (4220, 59616), (4320, 58236), (4416, 56970), (4853, 51840), (4968, 50640), (5064, 49680), (5184, 48530), (5520, 45576), (5697, 44160), (5760, 43677), (6210, 40512), (6330, 39744), (6480, 38824), (6624, 37980), (6752, 37260), (7360, 34182), (7452, 33760), (7596, 33120), (8280, 30384), (8440, 29808), (8640, 29118), (8832, 28485), (9315, 27008), (9495, 26496), (9706, 25920), (9936, 25320), (10128, 24840), (10368, 24265), (11040, 22788), (11394, 22080), (12420, 20256), (12660, 19872), (12960, 19412), (13248, 18990), (13504, 18630), (14559, 17280), (14720, 17091), (14904, 16880), (15192, 16560)]