251231760

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:447

約数の個数: 320

約数和(自身を含む): 974937600

約数和(自身を除く): 723705840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 27, 30, 36, 39, 40, 45, 46, 48, 52, 54, 60, 65, 69, 72, 78, 80, 90, 92, 104, 108, 115, 117, 120, 130, 135, 138, 144, 156, 180, 184, 195, 207, 208, 216, 230, 234, 240, 260, 270, 276, 299, 312, 345, 351, 360, 368, 389, 390, 414, 432, 460, 468, 520, 540, 552, 585, 598, 621, 624, 690, 702, 720, 778, 780, 828, 897, 920, 936, 1035, 1040, 1080, 1104, 1167, 1170, 1196, 1242, 1380, 1404, 1495, 1556, 1560, 1656, 1755, 1794, 1840, 1872, 1945, 2070, 2160, 2334, 2340, 2392, 2484, 2691, 2760, 2808, 2990, 3105, 3112, 3120, 3312, 3501, 3510, 3588, 3890, 4140, 4485, 4668, 4680, 4784, 4968, 5057, 5382, 5520, 5616, 5835, 5980, 6210, 6224, 7002, 7020, 7176, 7780, 8073, 8280, 8947, 8970, 9336, 9360, 9936, 10114, 10503, 10764, 11670, 11960, 12420, 13455, 14004, 14040, 14352, 15171, 15560, 16146, 16560, 17505, 17894, 17940, 18672, 20228, 21006, 21528, 23340, 23920, 24840, 25285, 26841, 26910, 28008, 28080, 30342, 31120, 32292, 35010, 35788, 35880, 40365, 40456, 42012, 43056, 44735, 45513, 46680, 49680, 50570, 52515, 53682, 53820, 56016, 60684, 64584, 70020, 71576, 71760, 75855, 80523, 80730, 80912, 84024, 89470, 91026, 93360, 101140, 105030, 107364, 107640, 116311, 121368, 129168, 134205, 136539, 140040, 143152, 151710, 161046, 161460, 168048, 178940, 182052, 202280, 210060, 214728, 215280, 227565, 232622, 241569, 242736, 268410, 273078, 280080, 303420, 322092, 322920, 348933, 357880, 364104, 402615, 404560, 420120, 429456, 455130, 465244, 483138, 536820, 546156, 581555, 606840, 644184, 645840, 682695, 697866, 715760, 728208, 805230, 840240, 910260, 930488, 966276, 1046799, 1073640, 1092312, 1163110, 1207845, 1213680, 1288368, 1365390, 1395732, 1610460, 1744665, 1820520, 1860976, 1932552, 2093598, 2147280, 2184624, 2326220, 2415690, 2730780, 2791464, 3140397, 3220920, 3489330, 3641040, 3865104, 4187196, 4652440, 4831380, 5233995, 5461560, 5582928, 6280794, 6441840, 6978660, 8374392, 9304880, 9662760, 10467990, 10923120, 12561588, 13957320, 15701985, 16748784, 19325520, 20935980, 25123176, 27914640, 31403970, 41871960, 50246352, 62807940, 83743920, 125615880, 251231760]

約数ペア:

[(1, 251231760), (2, 125615880), (3, 83743920), (4, 62807940), (5, 50246352), (6, 41871960), (8, 31403970), (9, 27914640), (10, 25123176), (12, 20935980), (13, 19325520), (15, 16748784), (16, 15701985), (18, 13957320), (20, 12561588), (23, 10923120), (24, 10467990), (26, 9662760), (27, 9304880), (30, 8374392), (36, 6978660), (39, 6441840), (40, 6280794), (45, 5582928), (46, 5461560), (48, 5233995), (52, 4831380), (54, 4652440), (60, 4187196), (65, 3865104), (69, 3641040), (72, 3489330), (78, 3220920), (80, 3140397), (90, 2791464), (92, 2730780), (104, 2415690), (108, 2326220), (115, 2184624), (117, 2147280), (120, 2093598), (130, 1932552), (135, 1860976), (138, 1820520), (144, 1744665), (156, 1610460), (180, 1395732), (184, 1365390), (195, 1288368), (207, 1213680), (208, 1207845), (216, 1163110), (230, 1092312), (234, 1073640), (240, 1046799), (260, 966276), (270, 930488), (276, 910260), (299, 840240), (312, 805230), (345, 728208), (351, 715760), (360, 697866), (368, 682695), (389, 645840), (390, 644184), (414, 606840), (432, 581555), (460, 546156), (468, 536820), (520, 483138), (540, 465244), (552, 455130), (585, 429456), (598, 420120), (621, 404560), (624, 402615), (690, 364104), (702, 357880), (720, 348933), (778, 322920), (780, 322092), (828, 303420), (897, 280080), (920, 273078), (936, 268410), (1035, 242736), (1040, 241569), (1080, 232622), (1104, 227565), (1167, 215280), (1170, 214728), (1196, 210060), (1242, 202280), (1380, 182052), (1404, 178940), (1495, 168048), (1556, 161460), (1560, 161046), (1656, 151710), (1755, 143152), (1794, 140040), (1840, 136539), (1872, 134205), (1945, 129168), (2070, 121368), (2160, 116311), (2334, 107640), (2340, 107364), (2392, 105030), (2484, 101140), (2691, 93360), (2760, 91026), (2808, 89470), (2990, 84024), (3105, 80912), (3112, 80730), (3120, 80523), (3312, 75855), (3501, 71760), (3510, 71576), (3588, 70020), (3890, 64584), (4140, 60684), (4485, 56016), (4668, 53820), (4680, 53682), (4784, 52515), (4968, 50570), (5057, 49680), (5382, 46680), (5520, 45513), (5616, 44735), (5835, 43056), (5980, 42012), (6210, 40456), (6224, 40365), (7002, 35880), (7020, 35788), (7176, 35010), (7780, 32292), (8073, 31120), (8280, 30342), (8947, 28080), (8970, 28008), (9336, 26910), (9360, 26841), (9936, 25285), (10114, 24840), (10503, 23920), (10764, 23340), (11670, 21528), (11960, 21006), (12420, 20228), (13455, 18672), (14004, 17940), (14040, 17894), (14352, 17505), (15171, 16560), (15560, 16146)]