640828032

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:203

約数の個数: 256

約数和(自身を含む): 1957616640

約数和(自身を除く): 1316788608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 41, 48, 52, 62, 64, 78, 82, 93, 96, 101, 104, 123, 124, 128, 156, 164, 186, 192, 202, 208, 246, 248, 303, 312, 328, 372, 384, 403, 404, 416, 492, 496, 533, 606, 624, 656, 744, 806, 808, 832, 984, 992, 1066, 1209, 1212, 1248, 1271, 1312, 1313, 1488, 1599, 1612, 1616, 1664, 1968, 1984, 2132, 2418, 2424, 2496, 2542, 2624, 2626, 2976, 3131, 3198, 3224, 3232, 3813, 3936, 3939, 3968, 4141, 4264, 4836, 4848, 4992, 5084, 5248, 5252, 5952, 6262, 6396, 6448, 6464, 7626, 7872, 7878, 8282, 8528, 9393, 9672, 9696, 10168, 10504, 11904, 12423, 12524, 12792, 12896, 12928, 15252, 15744, 15756, 16523, 16564, 17056, 18786, 19344, 19392, 20336, 21008, 24846, 25048, 25584, 25792, 30504, 31512, 33046, 33128, 34112, 37572, 38688, 38784, 40672, 40703, 42016, 49569, 49692, 50096, 51168, 51584, 53833, 61008, 63024, 66092, 66256, 68224, 75144, 77376, 81344, 81406, 84032, 99138, 99384, 100192, 102336, 107666, 122016, 122109, 126048, 128371, 132184, 132512, 150288, 154752, 161499, 162688, 162812, 168064, 198276, 198768, 200384, 204672, 215332, 244032, 244218, 252096, 256742, 264368, 265024, 300576, 322998, 325624, 385113, 396552, 397536, 400768, 430664, 488064, 488436, 504192, 513484, 528736, 530048, 601152, 645996, 651248, 770226, 793104, 795072, 861328, 976872, 1026968, 1057472, 1202304, 1291992, 1302496, 1540452, 1586208, 1590144, 1668823, 1722656, 1953744, 2053936, 2114944, 2583984, 2604992, 3080904, 3172416, 3337646, 3445312, 3907488, 4107872, 5006469, 5167968, 5209984, 6161808, 6344832, 6675292, 6890624, 7814976, 8215744, 10012938, 10335936, 12323616, 13350584, 15629952, 16431488, 20025876, 20671872, 24647232, 26701168, 40051752, 49294464, 53402336, 80103504, 106804672, 160207008, 213609344, 320414016, 640828032]

約数ペア:

[(1, 640828032), (2, 320414016), (3, 213609344), (4, 160207008), (6, 106804672), (8, 80103504), (12, 53402336), (13, 49294464), (16, 40051752), (24, 26701168), (26, 24647232), (31, 20671872), (32, 20025876), (39, 16431488), (41, 15629952), (48, 13350584), (52, 12323616), (62, 10335936), (64, 10012938), (78, 8215744), (82, 7814976), (93, 6890624), (96, 6675292), (101, 6344832), (104, 6161808), (123, 5209984), (124, 5167968), (128, 5006469), (156, 4107872), (164, 3907488), (186, 3445312), (192, 3337646), (202, 3172416), (208, 3080904), (246, 2604992), (248, 2583984), (303, 2114944), (312, 2053936), (328, 1953744), (372, 1722656), (384, 1668823), (403, 1590144), (404, 1586208), (416, 1540452), (492, 1302496), (496, 1291992), (533, 1202304), (606, 1057472), (624, 1026968), (656, 976872), (744, 861328), (806, 795072), (808, 793104), (832, 770226), (984, 651248), (992, 645996), (1066, 601152), (1209, 530048), (1212, 528736), (1248, 513484), (1271, 504192), (1312, 488436), (1313, 488064), (1488, 430664), (1599, 400768), (1612, 397536), (1616, 396552), (1664, 385113), (1968, 325624), (1984, 322998), (2132, 300576), (2418, 265024), (2424, 264368), (2496, 256742), (2542, 252096), (2624, 244218), (2626, 244032), (2976, 215332), (3131, 204672), (3198, 200384), (3224, 198768), (3232, 198276), (3813, 168064), (3936, 162812), (3939, 162688), (3968, 161499), (4141, 154752), (4264, 150288), (4836, 132512), (4848, 132184), (4992, 128371), (5084, 126048), (5248, 122109), (5252, 122016), (5952, 107666), (6262, 102336), (6396, 100192), (6448, 99384), (6464, 99138), (7626, 84032), (7872, 81406), (7878, 81344), (8282, 77376), (8528, 75144), (9393, 68224), (9672, 66256), (9696, 66092), (10168, 63024), (10504, 61008), (11904, 53833), (12423, 51584), (12524, 51168), (12792, 50096), (12896, 49692), (12928, 49569), (15252, 42016), (15744, 40703), (15756, 40672), (16523, 38784), (16564, 38688), (17056, 37572), (18786, 34112), (19344, 33128), (19392, 33046), (20336, 31512), (21008, 30504), (24846, 25792), (25048, 25584)]