805315840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{311}}^1$

素因数の和:373

約数の個数: 216

約数和(自身を含む): 2349389952

約数和(自身を除く): 1544074112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 289, 311, 320, 340, 448, 476, 544, 560, 578, 595, 622, 640, 680, 896, 952, 1088, 1120, 1156, 1190, 1244, 1280, 1360, 1445, 1555, 1792, 1904, 2023, 2176, 2177, 2240, 2312, 2380, 2488, 2720, 2890, 3110, 3808, 4046, 4352, 4354, 4480, 4624, 4760, 4976, 5287, 5440, 5780, 6220, 7616, 8092, 8708, 8960, 9248, 9520, 9952, 10115, 10574, 10880, 10885, 11560, 12440, 15232, 16184, 17416, 18496, 19040, 19904, 20230, 21148, 21760, 21770, 23120, 24880, 26435, 30464, 32368, 34832, 36992, 37009, 38080, 39808, 40460, 42296, 43540, 46240, 49760, 52870, 64736, 69664, 73984, 74018, 76160, 79616, 80920, 84592, 87080, 89879, 92480, 99520, 105740, 129472, 139328, 148036, 152320, 161840, 169184, 174160, 179758, 184960, 185045, 199040, 211480, 258944, 278656, 296072, 323680, 338368, 348320, 359516, 369920, 370090, 398080, 422960, 449395, 517888, 557312, 592144, 629153, 647360, 676736, 696640, 719032, 740180, 845920, 898790, 1184288, 1258306, 1294720, 1353472, 1393280, 1438064, 1480360, 1691840, 1797580, 2368576, 2516612, 2589440, 2786560, 2876128, 2960720, 3145765, 3383680, 3595160, 4737152, 5033224, 5752256, 5921440, 6291530, 6767360, 7190320, 9474304, 10066448, 11504512, 11842880, 12583060, 14380640, 20132896, 23009024, 23685760, 25166120, 28761280, 40265792, 47371520, 50332240, 57522560, 80531584, 100664480, 115045120, 161063168, 201328960, 402657920, 805315840]

約数ペア:

[(1, 805315840), (2, 402657920), (4, 201328960), (5, 161063168), (7, 115045120), (8, 100664480), (10, 80531584), (14, 57522560), (16, 50332240), (17, 47371520), (20, 40265792), (28, 28761280), (32, 25166120), (34, 23685760), (35, 23009024), (40, 20132896), (56, 14380640), (64, 12583060), (68, 11842880), (70, 11504512), (80, 10066448), (85, 9474304), (112, 7190320), (119, 6767360), (128, 6291530), (136, 5921440), (140, 5752256), (160, 5033224), (170, 4737152), (224, 3595160), (238, 3383680), (256, 3145765), (272, 2960720), (280, 2876128), (289, 2786560), (311, 2589440), (320, 2516612), (340, 2368576), (448, 1797580), (476, 1691840), (544, 1480360), (560, 1438064), (578, 1393280), (595, 1353472), (622, 1294720), (640, 1258306), (680, 1184288), (896, 898790), (952, 845920), (1088, 740180), (1120, 719032), (1156, 696640), (1190, 676736), (1244, 647360), (1280, 629153), (1360, 592144), (1445, 557312), (1555, 517888), (1792, 449395), (1904, 422960), (2023, 398080), (2176, 370090), (2177, 369920), (2240, 359516), (2312, 348320), (2380, 338368), (2488, 323680), (2720, 296072), (2890, 278656), (3110, 258944), (3808, 211480), (4046, 199040), (4352, 185045), (4354, 184960), (4480, 179758), (4624, 174160), (4760, 169184), (4976, 161840), (5287, 152320), (5440, 148036), (5780, 139328), (6220, 129472), (7616, 105740), (8092, 99520), (8708, 92480), (8960, 89879), (9248, 87080), (9520, 84592), (9952, 80920), (10115, 79616), (10574, 76160), (10880, 74018), (10885, 73984), (11560, 69664), (12440, 64736), (15232, 52870), (16184, 49760), (17416, 46240), (18496, 43540), (19040, 42296), (19904, 40460), (20230, 39808), (21148, 38080), (21760, 37009), (21770, 36992), (23120, 34832), (24880, 32368), (26435, 30464)]