87714640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 160

約数和(自身を含む): 242484480

約数和(自身を除く): 154769840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 23, 26, 38, 40, 46, 52, 65, 76, 80, 92, 95, 104, 115, 130, 152, 184, 190, 193, 208, 230, 247, 260, 299, 304, 368, 380, 386, 437, 460, 494, 520, 598, 760, 772, 874, 920, 965, 988, 1040, 1196, 1235, 1495, 1520, 1544, 1748, 1840, 1930, 1976, 2185, 2392, 2470, 2509, 2990, 3088, 3496, 3667, 3860, 3952, 4370, 4439, 4784, 4940, 5018, 5681, 5980, 6992, 7334, 7720, 8740, 8878, 9880, 10036, 11362, 11960, 12545, 14668, 15440, 17480, 17756, 18335, 19760, 20072, 22195, 22724, 23920, 25090, 28405, 29336, 34960, 35512, 36670, 40144, 44390, 45448, 47671, 50180, 56810, 57707, 58672, 71024, 73340, 84341, 88780, 90896, 95342, 100360, 113620, 115414, 146680, 168682, 177560, 190684, 200720, 227240, 230828, 238355, 288535, 293360, 337364, 355120, 381368, 421705, 454480, 461656, 476710, 577070, 674728, 762736, 843410, 923312, 953420, 1096433, 1154140, 1349456, 1686820, 1906840, 2192866, 2308280, 3373640, 3813680, 4385732, 4616560, 5482165, 6747280, 8771464, 10964330, 17542928, 21928660, 43857320, 87714640]

約数ペア:

[(1, 87714640), (2, 43857320), (4, 21928660), (5, 17542928), (8, 10964330), (10, 8771464), (13, 6747280), (16, 5482165), (19, 4616560), (20, 4385732), (23, 3813680), (26, 3373640), (38, 2308280), (40, 2192866), (46, 1906840), (52, 1686820), (65, 1349456), (76, 1154140), (80, 1096433), (92, 953420), (95, 923312), (104, 843410), (115, 762736), (130, 674728), (152, 577070), (184, 476710), (190, 461656), (193, 454480), (208, 421705), (230, 381368), (247, 355120), (260, 337364), (299, 293360), (304, 288535), (368, 238355), (380, 230828), (386, 227240), (437, 200720), (460, 190684), (494, 177560), (520, 168682), (598, 146680), (760, 115414), (772, 113620), (874, 100360), (920, 95342), (965, 90896), (988, 88780), (1040, 84341), (1196, 73340), (1235, 71024), (1495, 58672), (1520, 57707), (1544, 56810), (1748, 50180), (1840, 47671), (1930, 45448), (1976, 44390), (2185, 40144), (2392, 36670), (2470, 35512), (2509, 34960), (2990, 29336), (3088, 28405), (3496, 25090), (3667, 23920), (3860, 22724), (3952, 22195), (4370, 20072), (4439, 19760), (4784, 18335), (4940, 17756), (5018, 17480), (5681, 15440), (5980, 14668), (6992, 12545), (7334, 11960), (7720, 11362), (8740, 10036), (8878, 9880)]