80215740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:193

約数の個数: 216

約数和(自身を含む): 278853120

約数和(自身を除く): 198637380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 29, 30, 33, 36, 44, 45, 55, 58, 60, 66, 87, 90, 99, 110, 116, 121, 127, 132, 145, 165, 174, 180, 198, 220, 242, 254, 261, 290, 319, 330, 348, 363, 381, 396, 435, 484, 495, 508, 522, 580, 605, 635, 638, 660, 726, 762, 870, 957, 990, 1044, 1089, 1143, 1210, 1270, 1276, 1305, 1397, 1452, 1524, 1595, 1740, 1815, 1905, 1914, 1980, 2178, 2286, 2420, 2540, 2610, 2794, 2871, 3190, 3509, 3630, 3683, 3810, 3828, 4191, 4356, 4572, 4785, 5220, 5445, 5588, 5715, 5742, 6380, 6985, 7018, 7260, 7366, 7620, 8382, 9570, 10527, 10890, 11049, 11430, 11484, 12573, 13970, 14036, 14355, 14732, 15367, 16764, 17545, 18415, 19140, 20955, 21054, 21780, 22098, 22860, 25146, 27940, 28710, 30734, 31581, 33147, 35090, 36830, 40513, 41910, 42108, 44196, 46101, 50292, 52635, 55245, 57420, 61468, 62865, 63162, 66294, 70180, 73660, 76835, 81026, 83820, 92202, 105270, 110490, 121539, 125730, 126324, 132588, 138303, 153670, 157905, 162052, 165735, 184404, 202565, 210540, 220980, 230505, 243078, 251460, 276606, 307340, 315810, 331470, 364617, 405130, 445643, 461010, 486156, 553212, 607695, 631620, 662940, 691515, 729234, 810260, 891286, 922020, 1215390, 1336929, 1383030, 1458468, 1782572, 1823085, 2228215, 2430780, 2673858, 2766060, 3646170, 4010787, 4456430, 5347716, 6684645, 7292340, 8021574, 8912860, 13369290, 16043148, 20053935, 26738580, 40107870, 80215740]

約数ペア:

[(1, 80215740), (2, 40107870), (3, 26738580), (4, 20053935), (5, 16043148), (6, 13369290), (9, 8912860), (10, 8021574), (11, 7292340), (12, 6684645), (15, 5347716), (18, 4456430), (20, 4010787), (22, 3646170), (29, 2766060), (30, 2673858), (33, 2430780), (36, 2228215), (44, 1823085), (45, 1782572), (55, 1458468), (58, 1383030), (60, 1336929), (66, 1215390), (87, 922020), (90, 891286), (99, 810260), (110, 729234), (116, 691515), (121, 662940), (127, 631620), (132, 607695), (145, 553212), (165, 486156), (174, 461010), (180, 445643), (198, 405130), (220, 364617), (242, 331470), (254, 315810), (261, 307340), (290, 276606), (319, 251460), (330, 243078), (348, 230505), (363, 220980), (381, 210540), (396, 202565), (435, 184404), (484, 165735), (495, 162052), (508, 157905), (522, 153670), (580, 138303), (605, 132588), (635, 126324), (638, 125730), (660, 121539), (726, 110490), (762, 105270), (870, 92202), (957, 83820), (990, 81026), (1044, 76835), (1089, 73660), (1143, 70180), (1210, 66294), (1270, 63162), (1276, 62865), (1305, 61468), (1397, 57420), (1452, 55245), (1524, 52635), (1595, 50292), (1740, 46101), (1815, 44196), (1905, 42108), (1914, 41910), (1980, 40513), (2178, 36830), (2286, 35090), (2420, 33147), (2540, 31581), (2610, 30734), (2794, 28710), (2871, 27940), (3190, 25146), (3509, 22860), (3630, 22098), (3683, 21780), (3810, 21054), (3828, 20955), (4191, 19140), (4356, 18415), (4572, 17545), (4785, 16764), (5220, 15367), (5445, 14732), (5588, 14355), (5715, 14036), (5742, 13970), (6380, 12573), (6985, 11484), (7018, 11430), (7260, 11049), (7366, 10890), (7620, 10527), (8382, 9570)]