261538704

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:462

約数の個数: 240

約数和(自身を含む): 905299200

約数和(自身を除く): 643760496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 29, 36, 42, 46, 48, 56, 58, 63, 69, 72, 84, 87, 92, 112, 116, 126, 138, 144, 161, 168, 174, 184, 203, 207, 232, 252, 261, 276, 322, 336, 348, 368, 389, 406, 414, 464, 483, 504, 522, 552, 609, 644, 667, 696, 778, 812, 828, 966, 1008, 1044, 1104, 1167, 1218, 1288, 1334, 1392, 1449, 1556, 1624, 1656, 1827, 1932, 2001, 2088, 2334, 2436, 2576, 2668, 2723, 2898, 3112, 3248, 3312, 3501, 3654, 3864, 4002, 4176, 4668, 4669, 4872, 5336, 5446, 5796, 6003, 6224, 7002, 7308, 7728, 8004, 8169, 8947, 9336, 9338, 9744, 10672, 10892, 11281, 11592, 12006, 14004, 14007, 14616, 16008, 16338, 17894, 18672, 18676, 21784, 22562, 23184, 24012, 24507, 26841, 28008, 28014, 29232, 32016, 32676, 33843, 35788, 37352, 42021, 43568, 45124, 48024, 49014, 53682, 56016, 56028, 62629, 65352, 67686, 71576, 74704, 78967, 80523, 84042, 90248, 96048, 98028, 101529, 107364, 112056, 125258, 130704, 135372, 143152, 157934, 161046, 168084, 180496, 187887, 196056, 203058, 214728, 224112, 236901, 250516, 259463, 270744, 315868, 322092, 336168, 375774, 392112, 406116, 429456, 473802, 501032, 518926, 541488, 563661, 631736, 644184, 672336, 710703, 751548, 778389, 812232, 947604, 1002064, 1037852, 1127322, 1263472, 1288368, 1421406, 1503096, 1556778, 1624464, 1816241, 1895208, 2075704, 2254644, 2335167, 2842812, 3006192, 3113556, 3632482, 3790416, 4151408, 4509288, 4670334, 5448723, 5685624, 6227112, 7264964, 9018576, 9340668, 10897446, 11371248, 12454224, 14529928, 16346169, 18681336, 21794892, 29059856, 32692338, 37362672, 43589784, 65384676, 87179568, 130769352, 261538704]

約数ペア:

[(1, 261538704), (2, 130769352), (3, 87179568), (4, 65384676), (6, 43589784), (7, 37362672), (8, 32692338), (9, 29059856), (12, 21794892), (14, 18681336), (16, 16346169), (18, 14529928), (21, 12454224), (23, 11371248), (24, 10897446), (28, 9340668), (29, 9018576), (36, 7264964), (42, 6227112), (46, 5685624), (48, 5448723), (56, 4670334), (58, 4509288), (63, 4151408), (69, 3790416), (72, 3632482), (84, 3113556), (87, 3006192), (92, 2842812), (112, 2335167), (116, 2254644), (126, 2075704), (138, 1895208), (144, 1816241), (161, 1624464), (168, 1556778), (174, 1503096), (184, 1421406), (203, 1288368), (207, 1263472), (232, 1127322), (252, 1037852), (261, 1002064), (276, 947604), (322, 812232), (336, 778389), (348, 751548), (368, 710703), (389, 672336), (406, 644184), (414, 631736), (464, 563661), (483, 541488), (504, 518926), (522, 501032), (552, 473802), (609, 429456), (644, 406116), (667, 392112), (696, 375774), (778, 336168), (812, 322092), (828, 315868), (966, 270744), (1008, 259463), (1044, 250516), (1104, 236901), (1167, 224112), (1218, 214728), (1288, 203058), (1334, 196056), (1392, 187887), (1449, 180496), (1556, 168084), (1624, 161046), (1656, 157934), (1827, 143152), (1932, 135372), (2001, 130704), (2088, 125258), (2334, 112056), (2436, 107364), (2576, 101529), (2668, 98028), (2723, 96048), (2898, 90248), (3112, 84042), (3248, 80523), (3312, 78967), (3501, 74704), (3654, 71576), (3864, 67686), (4002, 65352), (4176, 62629), (4668, 56028), (4669, 56016), (4872, 53682), (5336, 49014), (5446, 48024), (5796, 45124), (6003, 43568), (6224, 42021), (7002, 37352), (7308, 35788), (7728, 33843), (8004, 32676), (8169, 32016), (8947, 29232), (9336, 28014), (9338, 28008), (9744, 26841), (10672, 24507), (10892, 24012), (11281, 23184), (11592, 22562), (12006, 21784), (14004, 18676), (14007, 18672), (14616, 17894), (16008, 16338)]