820863680

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4027}}^1$

素因数の和:4071

約数の個数: 168

約数和(自身を含む): 2449330128

約数和(自身を除く): 1628466448

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 320, 364, 392, 416, 448, 455, 490, 520, 560, 637, 728, 784, 832, 910, 980, 1040, 1120, 1274, 1456, 1568, 1820, 1960, 2080, 2240, 2548, 2912, 3136, 3185, 3640, 3920, 4027, 4160, 5096, 5824, 6370, 7280, 7840, 8054, 10192, 12740, 14560, 15680, 16108, 20135, 20384, 25480, 28189, 29120, 32216, 40270, 40768, 50960, 52351, 56378, 64432, 80540, 101920, 104702, 112756, 128864, 140945, 161080, 197323, 203840, 209404, 225512, 257728, 261755, 281890, 322160, 366457, 394646, 418808, 451024, 523510, 563780, 644320, 732914, 789292, 837616, 902048, 986615, 1047020, 1127560, 1288640, 1465828, 1578584, 1675232, 1804096, 1832285, 1973230, 2094040, 2255120, 2565199, 2931656, 3157168, 3350464, 3664570, 3946460, 4188080, 4510240, 5130398, 5863312, 6314336, 7329140, 7892920, 8376160, 9020480, 10260796, 11726624, 12628672, 12825995, 14658280, 15785840, 16752320, 20521592, 23453248, 25651990, 29316560, 31571680, 41043184, 51303980, 58633120, 63143360, 82086368, 102607960, 117266240, 164172736, 205215920, 410431840, 820863680]

約数ペア:

[(1, 820863680), (2, 410431840), (4, 205215920), (5, 164172736), (7, 117266240), (8, 102607960), (10, 82086368), (13, 63143360), (14, 58633120), (16, 51303980), (20, 41043184), (26, 31571680), (28, 29316560), (32, 25651990), (35, 23453248), (40, 20521592), (49, 16752320), (52, 15785840), (56, 14658280), (64, 12825995), (65, 12628672), (70, 11726624), (80, 10260796), (91, 9020480), (98, 8376160), (104, 7892920), (112, 7329140), (130, 6314336), (140, 5863312), (160, 5130398), (182, 4510240), (196, 4188080), (208, 3946460), (224, 3664570), (245, 3350464), (260, 3157168), (280, 2931656), (320, 2565199), (364, 2255120), (392, 2094040), (416, 1973230), (448, 1832285), (455, 1804096), (490, 1675232), (520, 1578584), (560, 1465828), (637, 1288640), (728, 1127560), (784, 1047020), (832, 986615), (910, 902048), (980, 837616), (1040, 789292), (1120, 732914), (1274, 644320), (1456, 563780), (1568, 523510), (1820, 451024), (1960, 418808), (2080, 394646), (2240, 366457), (2548, 322160), (2912, 281890), (3136, 261755), (3185, 257728), (3640, 225512), (3920, 209404), (4027, 203840), (4160, 197323), (5096, 161080), (5824, 140945), (6370, 128864), (7280, 112756), (7840, 104702), (8054, 101920), (10192, 80540), (12740, 64432), (14560, 56378), (15680, 52351), (16108, 50960), (20135, 40768), (20384, 40270), (25480, 32216), (28189, 29120)]