85107200

素因数分解:

$2^9\times 5^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 120

約数和(自身を含む): 216282660

約数和(自身を除く): 131175460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 109, 122, 128, 160, 200, 218, 244, 256, 305, 320, 400, 436, 488, 512, 545, 610, 640, 800, 872, 976, 1090, 1220, 1280, 1525, 1600, 1744, 1952, 2180, 2440, 2560, 2725, 3050, 3200, 3488, 3904, 4360, 4880, 5450, 6100, 6400, 6649, 6976, 7808, 8720, 9760, 10900, 12200, 12800, 13298, 13952, 15616, 17440, 19520, 21800, 24400, 26596, 27904, 31232, 33245, 34880, 39040, 43600, 48800, 53192, 55808, 66490, 69760, 78080, 87200, 97600, 106384, 132980, 139520, 156160, 166225, 174400, 195200, 212768, 265960, 279040, 332450, 348800, 390400, 425536, 531920, 664900, 697600, 780800, 851072, 1063840, 1329800, 1395200, 1702144, 2127680, 2659600, 3404288, 4255360, 5319200, 8510720, 10638400, 17021440, 21276800, 42553600, 85107200]

約数ペア:

[(1, 85107200), (2, 42553600), (4, 21276800), (5, 17021440), (8, 10638400), (10, 8510720), (16, 5319200), (20, 4255360), (25, 3404288), (32, 2659600), (40, 2127680), (50, 1702144), (61, 1395200), (64, 1329800), (80, 1063840), (100, 851072), (109, 780800), (122, 697600), (128, 664900), (160, 531920), (200, 425536), (218, 390400), (244, 348800), (256, 332450), (305, 279040), (320, 265960), (400, 212768), (436, 195200), (488, 174400), (512, 166225), (545, 156160), (610, 139520), (640, 132980), (800, 106384), (872, 97600), (976, 87200), (1090, 78080), (1220, 69760), (1280, 66490), (1525, 55808), (1600, 53192), (1744, 48800), (1952, 43600), (2180, 39040), (2440, 34880), (2560, 33245), (2725, 31232), (3050, 27904), (3200, 26596), (3488, 24400), (3904, 21800), (4360, 19520), (4880, 17440), (5450, 15616), (6100, 13952), (6400, 13298), (6649, 12800), (6976, 12200), (7808, 10900), (8720, 9760)]