64729280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 224

約数和(自身を含む): 200143872

約数和(自身を除く): 135414592

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 37, 40, 44, 55, 56, 64, 70, 71, 74, 77, 80, 88, 110, 112, 140, 142, 148, 154, 160, 176, 185, 220, 224, 259, 280, 284, 296, 308, 320, 352, 355, 370, 385, 407, 440, 448, 497, 518, 560, 568, 592, 616, 704, 710, 740, 770, 781, 814, 880, 994, 1036, 1120, 1136, 1184, 1232, 1295, 1420, 1480, 1540, 1562, 1628, 1760, 1988, 2035, 2072, 2240, 2272, 2368, 2464, 2485, 2590, 2627, 2840, 2849, 2960, 3080, 3124, 3256, 3520, 3905, 3976, 4070, 4144, 4544, 4928, 4970, 5180, 5254, 5467, 5680, 5698, 5920, 6160, 6248, 6512, 7810, 7952, 8140, 8288, 9940, 10360, 10508, 10934, 11360, 11396, 11840, 12320, 12496, 13024, 13135, 14245, 15620, 15904, 16280, 16576, 18389, 19880, 20720, 21016, 21868, 22720, 22792, 24640, 24992, 26048, 26270, 27335, 28490, 28897, 31240, 31808, 32560, 36778, 39760, 41440, 42032, 43736, 45584, 49984, 52540, 54670, 56980, 57794, 62480, 65120, 73556, 79520, 82880, 84064, 87472, 91168, 91945, 105080, 109340, 113960, 115588, 124960, 130240, 144485, 147112, 159040, 168128, 174944, 182336, 183890, 202279, 210160, 218680, 227920, 231176, 249920, 288970, 294224, 349888, 367780, 404558, 420320, 437360, 455840, 462352, 577940, 588448, 735560, 809116, 840640, 874720, 911680, 924704, 1011395, 1155880, 1176896, 1471120, 1618232, 1749440, 1849408, 2022790, 2311760, 2942240, 3236464, 4045580, 4623520, 5884480, 6472928, 8091160, 9247040, 12945856, 16182320, 32364640, 64729280]

約数ペア:

[(1, 64729280), (2, 32364640), (4, 16182320), (5, 12945856), (7, 9247040), (8, 8091160), (10, 6472928), (11, 5884480), (14, 4623520), (16, 4045580), (20, 3236464), (22, 2942240), (28, 2311760), (32, 2022790), (35, 1849408), (37, 1749440), (40, 1618232), (44, 1471120), (55, 1176896), (56, 1155880), (64, 1011395), (70, 924704), (71, 911680), (74, 874720), (77, 840640), (80, 809116), (88, 735560), (110, 588448), (112, 577940), (140, 462352), (142, 455840), (148, 437360), (154, 420320), (160, 404558), (176, 367780), (185, 349888), (220, 294224), (224, 288970), (259, 249920), (280, 231176), (284, 227920), (296, 218680), (308, 210160), (320, 202279), (352, 183890), (355, 182336), (370, 174944), (385, 168128), (407, 159040), (440, 147112), (448, 144485), (497, 130240), (518, 124960), (560, 115588), (568, 113960), (592, 109340), (616, 105080), (704, 91945), (710, 91168), (740, 87472), (770, 84064), (781, 82880), (814, 79520), (880, 73556), (994, 65120), (1036, 62480), (1120, 57794), (1136, 56980), (1184, 54670), (1232, 52540), (1295, 49984), (1420, 45584), (1480, 43736), (1540, 42032), (1562, 41440), (1628, 39760), (1760, 36778), (1988, 32560), (2035, 31808), (2072, 31240), (2240, 28897), (2272, 28490), (2368, 27335), (2464, 26270), (2485, 26048), (2590, 24992), (2627, 24640), (2840, 22792), (2849, 22720), (2960, 21868), (3080, 21016), (3124, 20720), (3256, 19880), (3520, 18389), (3905, 16576), (3976, 16280), (4070, 15904), (4144, 15620), (4544, 14245), (4928, 13135), (4970, 13024), (5180, 12496), (5254, 12320), (5467, 11840), (5680, 11396), (5698, 11360), (5920, 10934), (6160, 10508), (6248, 10360), (6512, 9940), (7810, 8288), (7952, 8140)]