128531808

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1$

素因数の和:401

約数の個数: 144

約数和(自身を含む): 390761280

約数和(自身を除く): 262229472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 83, 96, 114, 144, 152, 166, 171, 228, 249, 283, 288, 304, 332, 342, 456, 498, 566, 608, 664, 684, 747, 849, 912, 996, 1132, 1328, 1368, 1494, 1577, 1698, 1824, 1992, 2264, 2547, 2656, 2736, 2988, 3154, 3396, 3984, 4528, 4731, 5094, 5377, 5472, 5976, 6308, 6792, 7968, 9056, 9462, 10188, 10754, 11952, 12616, 13584, 14193, 16131, 18924, 20376, 21508, 23489, 23904, 25232, 27168, 28386, 32262, 37848, 40752, 43016, 46978, 48393, 50464, 56772, 64524, 70467, 75696, 81504, 86032, 93956, 96786, 113544, 129048, 140934, 151392, 172064, 187912, 193572, 211401, 227088, 258096, 281868, 375824, 387144, 422802, 446291, 454176, 516192, 563736, 751648, 774288, 845604, 892582, 1127472, 1338873, 1548576, 1691208, 1785164, 2254944, 2677746, 3382416, 3570328, 4016619, 5355492, 6764832, 7140656, 8033238, 10710984, 14281312, 16066476, 21421968, 32132952, 42843936, 64265904, 128531808]

約数ペア:

[(1, 128531808), (2, 64265904), (3, 42843936), (4, 32132952), (6, 21421968), (8, 16066476), (9, 14281312), (12, 10710984), (16, 8033238), (18, 7140656), (19, 6764832), (24, 5355492), (32, 4016619), (36, 3570328), (38, 3382416), (48, 2677746), (57, 2254944), (72, 1785164), (76, 1691208), (83, 1548576), (96, 1338873), (114, 1127472), (144, 892582), (152, 845604), (166, 774288), (171, 751648), (228, 563736), (249, 516192), (283, 454176), (288, 446291), (304, 422802), (332, 387144), (342, 375824), (456, 281868), (498, 258096), (566, 227088), (608, 211401), (664, 193572), (684, 187912), (747, 172064), (849, 151392), (912, 140934), (996, 129048), (1132, 113544), (1328, 96786), (1368, 93956), (1494, 86032), (1577, 81504), (1698, 75696), (1824, 70467), (1992, 64524), (2264, 56772), (2547, 50464), (2656, 48393), (2736, 46978), (2988, 43016), (3154, 40752), (3396, 37848), (3984, 32262), (4528, 28386), (4731, 27168), (5094, 25232), (5377, 23904), (5472, 23489), (5976, 21508), (6308, 20376), (6792, 18924), (7968, 16131), (9056, 14193), (9462, 13584), (10188, 12616), (10754, 11952)]