82881920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 220834080

約数和(自身を除く): 137952160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 64, 80, 88, 110, 122, 128, 160, 176, 193, 220, 244, 305, 320, 352, 386, 440, 488, 610, 640, 671, 704, 772, 880, 965, 976, 1220, 1342, 1408, 1544, 1760, 1930, 1952, 2123, 2440, 2684, 3088, 3355, 3520, 3860, 3904, 4246, 4880, 5368, 6176, 6710, 7040, 7720, 7808, 8492, 9760, 10615, 10736, 11773, 12352, 13420, 15440, 16984, 19520, 21230, 21472, 23546, 24704, 26840, 30880, 33968, 39040, 42460, 42944, 47092, 53680, 58865, 61760, 67936, 84920, 85888, 94184, 107360, 117730, 123520, 129503, 135872, 169840, 188368, 214720, 235460, 259006, 271744, 339680, 376736, 429440, 470920, 518012, 647515, 679360, 753472, 941840, 1036024, 1295030, 1358720, 1506944, 1883680, 2072048, 2590060, 3767360, 4144096, 5180120, 7534720, 8288192, 10360240, 16576384, 20720480, 41440960, 82881920]

約数ペア:

[(1, 82881920), (2, 41440960), (4, 20720480), (5, 16576384), (8, 10360240), (10, 8288192), (11, 7534720), (16, 5180120), (20, 4144096), (22, 3767360), (32, 2590060), (40, 2072048), (44, 1883680), (55, 1506944), (61, 1358720), (64, 1295030), (80, 1036024), (88, 941840), (110, 753472), (122, 679360), (128, 647515), (160, 518012), (176, 470920), (193, 429440), (220, 376736), (244, 339680), (305, 271744), (320, 259006), (352, 235460), (386, 214720), (440, 188368), (488, 169840), (610, 135872), (640, 129503), (671, 123520), (704, 117730), (772, 107360), (880, 94184), (965, 85888), (976, 84920), (1220, 67936), (1342, 61760), (1408, 58865), (1544, 53680), (1760, 47092), (1930, 42944), (1952, 42460), (2123, 39040), (2440, 33968), (2684, 30880), (3088, 26840), (3355, 24704), (3520, 23546), (3860, 21472), (3904, 21230), (4246, 19520), (4880, 16984), (5368, 15440), (6176, 13420), (6710, 12352), (7040, 11773), (7720, 10736), (7808, 10615), (8492, 9760)]