1020843040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1723}}^1$

素因数の和:1791

約数の個数: 144

約数和(自身を含む): 2882996928

約数和(自身を除く): 1862153888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 529, 560, 644, 736, 805, 920, 1058, 1120, 1288, 1610, 1723, 1840, 2116, 2576, 2645, 3220, 3446, 3680, 3703, 4232, 5152, 5290, 6440, 6892, 7406, 8464, 8615, 10580, 12061, 12880, 13784, 14812, 16928, 17230, 18515, 21160, 24122, 25760, 27568, 29624, 34460, 37030, 39629, 42320, 48244, 55136, 59248, 60305, 68920, 74060, 79258, 84640, 96488, 118496, 120610, 137840, 148120, 158516, 192976, 198145, 241220, 275680, 277403, 296240, 317032, 385952, 396290, 482440, 554806, 592480, 634064, 792580, 911467, 964880, 1109612, 1268128, 1387015, 1585160, 1822934, 1929760, 2219224, 2774030, 3170320, 3645868, 4438448, 4557335, 5548060, 6340640, 6380269, 7291736, 8876896, 9114670, 11096120, 12760538, 14583472, 18229340, 22192240, 25521076, 29166944, 31901345, 36458680, 44384480, 51042152, 63802690, 72917360, 102084304, 127605380, 145834720, 204168608, 255210760, 510421520, 1020843040]

約数ペア:

[(1, 1020843040), (2, 510421520), (4, 255210760), (5, 204168608), (7, 145834720), (8, 127605380), (10, 102084304), (14, 72917360), (16, 63802690), (20, 51042152), (23, 44384480), (28, 36458680), (32, 31901345), (35, 29166944), (40, 25521076), (46, 22192240), (56, 18229340), (70, 14583472), (80, 12760538), (92, 11096120), (112, 9114670), (115, 8876896), (140, 7291736), (160, 6380269), (161, 6340640), (184, 5548060), (224, 4557335), (230, 4438448), (280, 3645868), (322, 3170320), (368, 2774030), (460, 2219224), (529, 1929760), (560, 1822934), (644, 1585160), (736, 1387015), (805, 1268128), (920, 1109612), (1058, 964880), (1120, 911467), (1288, 792580), (1610, 634064), (1723, 592480), (1840, 554806), (2116, 482440), (2576, 396290), (2645, 385952), (3220, 317032), (3446, 296240), (3680, 277403), (3703, 275680), (4232, 241220), (5152, 198145), (5290, 192976), (6440, 158516), (6892, 148120), (7406, 137840), (8464, 120610), (8615, 118496), (10580, 96488), (12061, 84640), (12880, 79258), (13784, 74060), (14812, 68920), (16928, 60305), (17230, 59248), (18515, 55136), (21160, 48244), (24122, 42320), (25760, 39629), (27568, 37030), (29624, 34460)]