64631840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:251

約数の個数: 192

約数和(自身を含む): 197116416

約数和(自身を除く): 132484576

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 52, 56, 65, 70, 80, 91, 92, 104, 112, 115, 130, 140, 160, 161, 182, 184, 193, 208, 224, 230, 260, 280, 299, 322, 364, 368, 386, 416, 455, 460, 520, 560, 598, 644, 728, 736, 772, 805, 910, 920, 965, 1040, 1120, 1196, 1288, 1351, 1456, 1495, 1544, 1610, 1820, 1840, 1930, 2080, 2093, 2392, 2509, 2576, 2702, 2912, 2990, 3088, 3220, 3640, 3680, 3860, 4186, 4439, 4784, 5018, 5152, 5404, 5980, 6176, 6440, 6755, 7280, 7720, 8372, 8878, 9568, 10036, 10465, 10808, 11960, 12545, 12880, 13510, 14560, 15440, 16744, 17563, 17756, 20072, 20930, 21616, 22195, 23920, 25090, 25760, 27020, 30880, 31073, 33488, 35126, 35512, 40144, 41860, 43232, 44390, 47840, 50180, 54040, 57707, 62146, 66976, 70252, 71024, 80288, 83720, 87815, 88780, 100360, 108080, 115414, 124292, 140504, 142048, 155365, 167440, 175630, 177560, 200720, 216160, 230828, 248584, 281008, 288535, 310730, 334880, 351260, 355120, 401440, 403949, 461656, 497168, 562016, 577070, 621460, 702520, 710240, 807898, 923312, 994336, 1154140, 1242920, 1405040, 1615796, 1846624, 2019745, 2308280, 2485840, 2810080, 3231592, 4039490, 4616560, 4971680, 6463184, 8078980, 9233120, 12926368, 16157960, 32315920, 64631840]

約数ペア:

[(1, 64631840), (2, 32315920), (4, 16157960), (5, 12926368), (7, 9233120), (8, 8078980), (10, 6463184), (13, 4971680), (14, 4616560), (16, 4039490), (20, 3231592), (23, 2810080), (26, 2485840), (28, 2308280), (32, 2019745), (35, 1846624), (40, 1615796), (46, 1405040), (52, 1242920), (56, 1154140), (65, 994336), (70, 923312), (80, 807898), (91, 710240), (92, 702520), (104, 621460), (112, 577070), (115, 562016), (130, 497168), (140, 461656), (160, 403949), (161, 401440), (182, 355120), (184, 351260), (193, 334880), (208, 310730), (224, 288535), (230, 281008), (260, 248584), (280, 230828), (299, 216160), (322, 200720), (364, 177560), (368, 175630), (386, 167440), (416, 155365), (455, 142048), (460, 140504), (520, 124292), (560, 115414), (598, 108080), (644, 100360), (728, 88780), (736, 87815), (772, 83720), (805, 80288), (910, 71024), (920, 70252), (965, 66976), (1040, 62146), (1120, 57707), (1196, 54040), (1288, 50180), (1351, 47840), (1456, 44390), (1495, 43232), (1544, 41860), (1610, 40144), (1820, 35512), (1840, 35126), (1930, 33488), (2080, 31073), (2093, 30880), (2392, 27020), (2509, 25760), (2576, 25090), (2702, 23920), (2912, 22195), (2990, 21616), (3088, 20930), (3220, 20072), (3640, 17756), (3680, 17563), (3860, 16744), (4186, 15440), (4439, 14560), (4784, 13510), (5018, 12880), (5152, 12545), (5404, 11960), (5980, 10808), (6176, 10465), (6440, 10036), (6755, 9568), (7280, 8878), (7720, 8372)]