640782144

素因数分解:

$2^6\times 3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{673}}^1$

素因数の和:742

約数の個数: 224

約数和(自身を含む): 2054352000

約数和(自身を除く): 1413569856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 29, 32, 36, 38, 48, 54, 57, 58, 64, 72, 76, 87, 96, 108, 114, 116, 144, 152, 171, 174, 192, 216, 228, 232, 261, 288, 304, 342, 348, 432, 456, 464, 513, 522, 551, 576, 608, 673, 684, 696, 783, 864, 912, 928, 1026, 1044, 1102, 1216, 1346, 1368, 1392, 1566, 1653, 1728, 1824, 1856, 2019, 2052, 2088, 2204, 2692, 2736, 2784, 3132, 3306, 3648, 4038, 4104, 4176, 4408, 4959, 5384, 5472, 5568, 6057, 6264, 6612, 8076, 8208, 8352, 8816, 9918, 10768, 10944, 12114, 12528, 12787, 13224, 14877, 16152, 16416, 16704, 17632, 18171, 19517, 19836, 21536, 24228, 25056, 25574, 26448, 29754, 32304, 32832, 35264, 36342, 38361, 39034, 39672, 43072, 48456, 50112, 51148, 52896, 58551, 59508, 64608, 72684, 76722, 78068, 79344, 96912, 102296, 105792, 115083, 117102, 119016, 129216, 145368, 153444, 156136, 158688, 175653, 193824, 204592, 230166, 234204, 238032, 290736, 306888, 312272, 317376, 345249, 351306, 370823, 387648, 409184, 460332, 468408, 476064, 526959, 581472, 613776, 624544, 690498, 702612, 741646, 818368, 920664, 936816, 952128, 1053918, 1112469, 1162944, 1227552, 1249088, 1380996, 1405224, 1483292, 1841328, 1873632, 2107836, 2224938, 2455104, 2761992, 2810448, 2966584, 3337407, 3682656, 3747264, 4215672, 4449876, 5523984, 5620896, 5933168, 6674814, 7365312, 8431344, 8899752, 10012221, 11047968, 11241792, 11866336, 13349628, 16862688, 17799504, 20024442, 22095936, 23732672, 26699256, 33725376, 35599008, 40048884, 53398512, 71198016, 80097768, 106797024, 160195536, 213594048, 320391072, 640782144]

約数ペア:

[(1, 640782144), (2, 320391072), (3, 213594048), (4, 160195536), (6, 106797024), (8, 80097768), (9, 71198016), (12, 53398512), (16, 40048884), (18, 35599008), (19, 33725376), (24, 26699256), (27, 23732672), (29, 22095936), (32, 20024442), (36, 17799504), (38, 16862688), (48, 13349628), (54, 11866336), (57, 11241792), (58, 11047968), (64, 10012221), (72, 8899752), (76, 8431344), (87, 7365312), (96, 6674814), (108, 5933168), (114, 5620896), (116, 5523984), (144, 4449876), (152, 4215672), (171, 3747264), (174, 3682656), (192, 3337407), (216, 2966584), (228, 2810448), (232, 2761992), (261, 2455104), (288, 2224938), (304, 2107836), (342, 1873632), (348, 1841328), (432, 1483292), (456, 1405224), (464, 1380996), (513, 1249088), (522, 1227552), (551, 1162944), (576, 1112469), (608, 1053918), (673, 952128), (684, 936816), (696, 920664), (783, 818368), (864, 741646), (912, 702612), (928, 690498), (1026, 624544), (1044, 613776), (1102, 581472), (1216, 526959), (1346, 476064), (1368, 468408), (1392, 460332), (1566, 409184), (1653, 387648), (1728, 370823), (1824, 351306), (1856, 345249), (2019, 317376), (2052, 312272), (2088, 306888), (2204, 290736), (2692, 238032), (2736, 234204), (2784, 230166), (3132, 204592), (3306, 193824), (3648, 175653), (4038, 158688), (4104, 156136), (4176, 153444), (4408, 145368), (4959, 129216), (5384, 119016), (5472, 117102), (5568, 115083), (6057, 105792), (6264, 102296), (6612, 96912), (8076, 79344), (8208, 78068), (8352, 76722), (8816, 72684), (9918, 64608), (10768, 59508), (10944, 58551), (12114, 52896), (12528, 51148), (12787, 50112), (13224, 48456), (14877, 43072), (16152, 39672), (16416, 39034), (16704, 38361), (17632, 36342), (18171, 35264), (19517, 32832), (19836, 32304), (21536, 29754), (24228, 26448), (25056, 25574)]