20178906440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{859}}^1$

素因数の和:1180

約数の個数: 256

約数和(自身を含む): 58848768000

約数和(自身を除く): 38669861560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 88, 110, 116, 140, 145, 154, 203, 220, 232, 263, 280, 290, 308, 319, 385, 406, 440, 526, 580, 616, 638, 770, 812, 859, 1015, 1052, 1160, 1276, 1315, 1540, 1595, 1624, 1718, 1841, 2030, 2104, 2233, 2552, 2630, 2893, 3080, 3190, 3436, 3682, 4060, 4295, 4466, 5260, 5786, 6013, 6380, 6872, 7364, 7627, 8120, 8590, 8932, 9205, 9449, 10520, 11165, 11572, 12026, 12760, 14465, 14728, 15254, 17180, 17864, 18410, 18898, 20251, 22330, 23144, 24052, 24911, 28930, 30065, 30508, 34360, 36820, 37796, 38135, 40502, 44660, 47245, 48104, 49822, 53389, 57860, 60130, 61016, 66143, 73640, 75592, 76270, 81004, 83897, 89320, 94490, 99644, 101255, 106778, 115720, 120260, 124555, 132286, 152540, 162008, 167794, 174377, 188980, 199288, 202510, 213556, 225917, 240520, 249110, 264572, 266945, 274021, 305080, 330715, 335588, 348754, 377960, 405020, 419485, 427112, 451834, 498220, 529144, 533890, 548042, 587279, 661430, 671176, 697508, 810040, 838970, 871885, 903668, 996440, 1067780, 1096084, 1129585, 1174558, 1322860, 1370105, 1395016, 1581419, 1677940, 1743770, 1807336, 1918147, 2135560, 2192168, 2259170, 2349116, 2485087, 2645720, 2740210, 2936395, 3162838, 3355880, 3487540, 3836294, 4518340, 4698232, 4970174, 5480420, 5872790, 6325676, 6551593, 6975080, 7672588, 7907095, 9036680, 9590735, 9940348, 10960840, 11745580, 12425435, 12651352, 13103186, 15345176, 15814190, 17395609, 19181470, 19880696, 23491160, 24850870, 26206372, 31628380, 32757965, 34791218, 38362940, 45861151, 49701740, 52412744, 63256760, 65515930, 69582436, 72067523, 76725880, 86978045, 91722302, 99403480, 131031860, 139164872, 144135046, 173956090, 183444604, 229305755, 262063720, 288270092, 347912180, 360337615, 366889208, 458611510, 504472661, 576540184, 695824360, 720675230, 917223020, 1008945322, 1441350460, 1834446040, 2017890644, 2522363305, 2882700920, 4035781288, 5044726610, 10089453220, 20178906440]

約数ペア:

[(1, 20178906440), (2, 10089453220), (4, 5044726610), (5, 4035781288), (7, 2882700920), (8, 2522363305), (10, 2017890644), (11, 1834446040), (14, 1441350460), (20, 1008945322), (22, 917223020), (28, 720675230), (29, 695824360), (35, 576540184), (40, 504472661), (44, 458611510), (55, 366889208), (56, 360337615), (58, 347912180), (70, 288270092), (77, 262063720), (88, 229305755), (110, 183444604), (116, 173956090), (140, 144135046), (145, 139164872), (154, 131031860), (203, 99403480), (220, 91722302), (232, 86978045), (263, 76725880), (280, 72067523), (290, 69582436), (308, 65515930), (319, 63256760), (385, 52412744), (406, 49701740), (440, 45861151), (526, 38362940), (580, 34791218), (616, 32757965), (638, 31628380), (770, 26206372), (812, 24850870), (859, 23491160), (1015, 19880696), (1052, 19181470), (1160, 17395609), (1276, 15814190), (1315, 15345176), (1540, 13103186), (1595, 12651352), (1624, 12425435), (1718, 11745580), (1841, 10960840), (2030, 9940348), (2104, 9590735), (2233, 9036680), (2552, 7907095), (2630, 7672588), (2893, 6975080), (3080, 6551593), (3190, 6325676), (3436, 5872790), (3682, 5480420), (4060, 4970174), (4295, 4698232), (4466, 4518340), (5260, 3836294), (5786, 3487540), (6013, 3355880), (6380, 3162838), (6872, 2936395), (7364, 2740210), (7627, 2645720), (8120, 2485087), (8590, 2349116), (8932, 2259170), (9205, 2192168), (9449, 2135560), (10520, 1918147), (11165, 1807336), (11572, 1743770), (12026, 1677940), (12760, 1581419), (14465, 1395016), (14728, 1370105), (15254, 1322860), (17180, 1174558), (17864, 1129585), (18410, 1096084), (18898, 1067780), (20251, 996440), (22330, 903668), (23144, 871885), (24052, 838970), (24911, 810040), (28930, 697508), (30065, 671176), (30508, 661430), (34360, 587279), (36820, 548042), (37796, 533890), (38135, 529144), (40502, 498220), (44660, 451834), (47245, 427112), (48104, 419485), (49822, 405020), (53389, 377960), (57860, 348754), (60130, 335588), (61016, 330715), (66143, 305080), (73640, 274021), (75592, 266945), (76270, 264572), (81004, 249110), (83897, 240520), (89320, 225917), (94490, 213556), (99644, 202510), (101255, 199288), (106778, 188980), (115720, 174377), (120260, 167794), (124555, 162008), (132286, 152540)]