257284440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{193}}^1$

素因数の和:263

約数の個数: 288

約数和(自身を含む): 1004159520

約数和(自身を除く): 746875080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 56, 60, 63, 69, 70, 72, 84, 90, 92, 105, 115, 120, 126, 138, 140, 161, 168, 180, 184, 193, 207, 210, 230, 252, 276, 280, 315, 322, 345, 360, 386, 414, 420, 460, 483, 504, 529, 552, 579, 630, 644, 690, 772, 805, 828, 840, 920, 965, 966, 1035, 1058, 1158, 1260, 1288, 1351, 1380, 1449, 1544, 1587, 1610, 1656, 1737, 1930, 1932, 2070, 2116, 2316, 2415, 2520, 2645, 2702, 2760, 2895, 2898, 3174, 3220, 3474, 3703, 3860, 3864, 4053, 4140, 4232, 4439, 4632, 4761, 4830, 5290, 5404, 5790, 5796, 6348, 6440, 6755, 6948, 7245, 7406, 7720, 7935, 8106, 8280, 8685, 8878, 9522, 9660, 10580, 10808, 11109, 11580, 11592, 12159, 12696, 13317, 13510, 13896, 14490, 14812, 15870, 16212, 17370, 17756, 18515, 19044, 19320, 20265, 21160, 22195, 22218, 23160, 23805, 24318, 26634, 27020, 28980, 29624, 31073, 31740, 32424, 33327, 34740, 35512, 37030, 38088, 39951, 40530, 44390, 44436, 47610, 48636, 53268, 54040, 55545, 57960, 60795, 62146, 63480, 66585, 66654, 69480, 74060, 79902, 81060, 88780, 88872, 93219, 95220, 97272, 102097, 106536, 111090, 121590, 124292, 133170, 133308, 148120, 155365, 159804, 162120, 166635, 177560, 186438, 190440, 199755, 204194, 222180, 243180, 248584, 266340, 266616, 279657, 306291, 310730, 319608, 333270, 372876, 399510, 408388, 444360, 466095, 486360, 510485, 532680, 559314, 612582, 621460, 666540, 714679, 745752, 799020, 816776, 918873, 932190, 1020970, 1118628, 1225164, 1242920, 1333080, 1398285, 1429358, 1531455, 1598040, 1837746, 1864380, 2041940, 2144037, 2237256, 2450328, 2796570, 2858716, 3062910, 3573395, 3675492, 3728760, 4083880, 4288074, 4594365, 5593140, 5717432, 6125820, 6432111, 7146790, 7350984, 8576148, 9188730, 10720185, 11186280, 12251640, 12864222, 14293580, 17152296, 18377460, 21440370, 25728444, 28587160, 32160555, 36754920, 42880740, 51456888, 64321110, 85761480, 128642220, 257284440]

約数ペア:

[(1, 257284440), (2, 128642220), (3, 85761480), (4, 64321110), (5, 51456888), (6, 42880740), (7, 36754920), (8, 32160555), (9, 28587160), (10, 25728444), (12, 21440370), (14, 18377460), (15, 17152296), (18, 14293580), (20, 12864222), (21, 12251640), (23, 11186280), (24, 10720185), (28, 9188730), (30, 8576148), (35, 7350984), (36, 7146790), (40, 6432111), (42, 6125820), (45, 5717432), (46, 5593140), (56, 4594365), (60, 4288074), (63, 4083880), (69, 3728760), (70, 3675492), (72, 3573395), (84, 3062910), (90, 2858716), (92, 2796570), (105, 2450328), (115, 2237256), (120, 2144037), (126, 2041940), (138, 1864380), (140, 1837746), (161, 1598040), (168, 1531455), (180, 1429358), (184, 1398285), (193, 1333080), (207, 1242920), (210, 1225164), (230, 1118628), (252, 1020970), (276, 932190), (280, 918873), (315, 816776), (322, 799020), (345, 745752), (360, 714679), (386, 666540), (414, 621460), (420, 612582), (460, 559314), (483, 532680), (504, 510485), (529, 486360), (552, 466095), (579, 444360), (630, 408388), (644, 399510), (690, 372876), (772, 333270), (805, 319608), (828, 310730), (840, 306291), (920, 279657), (965, 266616), (966, 266340), (1035, 248584), (1058, 243180), (1158, 222180), (1260, 204194), (1288, 199755), (1351, 190440), (1380, 186438), (1449, 177560), (1544, 166635), (1587, 162120), (1610, 159804), (1656, 155365), (1737, 148120), (1930, 133308), (1932, 133170), (2070, 124292), (2116, 121590), (2316, 111090), (2415, 106536), (2520, 102097), (2645, 97272), (2702, 95220), (2760, 93219), (2895, 88872), (2898, 88780), (3174, 81060), (3220, 79902), (3474, 74060), (3703, 69480), (3860, 66654), (3864, 66585), (4053, 63480), (4140, 62146), (4232, 60795), (4439, 57960), (4632, 55545), (4761, 54040), (4830, 53268), (5290, 48636), (5404, 47610), (5790, 44436), (5796, 44390), (6348, 40530), (6440, 39951), (6755, 38088), (6948, 37030), (7245, 35512), (7406, 34740), (7720, 33327), (7935, 32424), (8106, 31740), (8280, 31073), (8685, 29624), (8878, 28980), (9522, 27020), (9660, 26634), (10580, 24318), (10808, 23805), (11109, 23160), (11580, 22218), (11592, 22195), (12159, 21160), (12696, 20265), (13317, 19320), (13510, 19044), (13896, 18515), (14490, 17756), (14812, 17370), (15870, 16212)]