80911600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 240

約数和(自身を含む): 252412416

約数和(自身を除く): 171500816

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 37, 40, 44, 50, 55, 56, 70, 71, 74, 77, 80, 88, 100, 110, 112, 140, 142, 148, 154, 175, 176, 185, 200, 220, 259, 275, 280, 284, 296, 308, 350, 355, 370, 385, 400, 407, 440, 497, 518, 550, 560, 568, 592, 616, 700, 710, 740, 770, 781, 814, 880, 925, 994, 1036, 1100, 1136, 1232, 1295, 1400, 1420, 1480, 1540, 1562, 1628, 1775, 1850, 1925, 1988, 2035, 2072, 2200, 2485, 2590, 2627, 2800, 2840, 2849, 2960, 3080, 3124, 3256, 3550, 3700, 3850, 3905, 3976, 4070, 4144, 4400, 4970, 5180, 5254, 5467, 5680, 5698, 6160, 6248, 6475, 6512, 7100, 7400, 7700, 7810, 7952, 8140, 9940, 10175, 10360, 10508, 10934, 11396, 12425, 12496, 12950, 13135, 14200, 14245, 14800, 15400, 15620, 16280, 18389, 19525, 19880, 20350, 20720, 21016, 21868, 22792, 24850, 25900, 26270, 27335, 28400, 28490, 28897, 30800, 31240, 32560, 36778, 39050, 39760, 40700, 42032, 43736, 45584, 49700, 51800, 52540, 54670, 56980, 57794, 62480, 65675, 71225, 73556, 78100, 81400, 87472, 91945, 99400, 103600, 105080, 109340, 113960, 115588, 131350, 136675, 142450, 144485, 147112, 156200, 162800, 183890, 198800, 202279, 210160, 218680, 227920, 231176, 262700, 273350, 284900, 288970, 294224, 312400, 367780, 404558, 437360, 459725, 462352, 525400, 546700, 569800, 577940, 722425, 735560, 809116, 919450, 1011395, 1050800, 1093400, 1139600, 1155880, 1444850, 1471120, 1618232, 1838900, 2022790, 2186800, 2311760, 2889700, 3236464, 3677800, 4045580, 5056975, 5779400, 7355600, 8091160, 10113950, 11558800, 16182320, 20227900, 40455800, 80911600]

約数ペア:

[(1, 80911600), (2, 40455800), (4, 20227900), (5, 16182320), (7, 11558800), (8, 10113950), (10, 8091160), (11, 7355600), (14, 5779400), (16, 5056975), (20, 4045580), (22, 3677800), (25, 3236464), (28, 2889700), (35, 2311760), (37, 2186800), (40, 2022790), (44, 1838900), (50, 1618232), (55, 1471120), (56, 1444850), (70, 1155880), (71, 1139600), (74, 1093400), (77, 1050800), (80, 1011395), (88, 919450), (100, 809116), (110, 735560), (112, 722425), (140, 577940), (142, 569800), (148, 546700), (154, 525400), (175, 462352), (176, 459725), (185, 437360), (200, 404558), (220, 367780), (259, 312400), (275, 294224), (280, 288970), (284, 284900), (296, 273350), (308, 262700), (350, 231176), (355, 227920), (370, 218680), (385, 210160), (400, 202279), (407, 198800), (440, 183890), (497, 162800), (518, 156200), (550, 147112), (560, 144485), (568, 142450), (592, 136675), (616, 131350), (700, 115588), (710, 113960), (740, 109340), (770, 105080), (781, 103600), (814, 99400), (880, 91945), (925, 87472), (994, 81400), (1036, 78100), (1100, 73556), (1136, 71225), (1232, 65675), (1295, 62480), (1400, 57794), (1420, 56980), (1480, 54670), (1540, 52540), (1562, 51800), (1628, 49700), (1775, 45584), (1850, 43736), (1925, 42032), (1988, 40700), (2035, 39760), (2072, 39050), (2200, 36778), (2485, 32560), (2590, 31240), (2627, 30800), (2800, 28897), (2840, 28490), (2849, 28400), (2960, 27335), (3080, 26270), (3124, 25900), (3256, 24850), (3550, 22792), (3700, 21868), (3850, 21016), (3905, 20720), (3976, 20350), (4070, 19880), (4144, 19525), (4400, 18389), (4970, 16280), (5180, 15620), (5254, 15400), (5467, 14800), (5680, 14245), (5698, 14200), (6160, 13135), (6248, 12950), (6475, 12496), (6512, 12425), (7100, 11396), (7400, 10934), (7700, 10508), (7810, 10360), (7952, 10175), (8140, 9940)]