281690880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{673}}^1$

素因数の和:806

約数の個数: 144

約数和(自身を含む): 909252960

約数和(自身を除く): 627562080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 109, 120, 128, 160, 192, 218, 240, 256, 320, 327, 384, 436, 480, 545, 640, 654, 673, 768, 872, 960, 1090, 1280, 1308, 1346, 1635, 1744, 1920, 2019, 2180, 2616, 2692, 3270, 3365, 3488, 3840, 4038, 4360, 5232, 5384, 6540, 6730, 6976, 8076, 8720, 10095, 10464, 10768, 13080, 13460, 13952, 16152, 17440, 20190, 20928, 21536, 26160, 26920, 27904, 32304, 34880, 40380, 41856, 43072, 52320, 53840, 64608, 69760, 73357, 80760, 83712, 86144, 104640, 107680, 129216, 139520, 146714, 161520, 172288, 209280, 215360, 220071, 258432, 293428, 323040, 366785, 418560, 430720, 440142, 516864, 586856, 646080, 733570, 861440, 880284, 1100355, 1173712, 1292160, 1467140, 1760568, 2200710, 2347424, 2584320, 2934280, 3521136, 4401420, 4694848, 5868560, 7042272, 8802840, 9389696, 11737120, 14084544, 17605680, 18779392, 23474240, 28169088, 35211360, 46948480, 56338176, 70422720, 93896960, 140845440, 281690880]

約数ペア:

[(1, 281690880), (2, 140845440), (3, 93896960), (4, 70422720), (5, 56338176), (6, 46948480), (8, 35211360), (10, 28169088), (12, 23474240), (15, 18779392), (16, 17605680), (20, 14084544), (24, 11737120), (30, 9389696), (32, 8802840), (40, 7042272), (48, 5868560), (60, 4694848), (64, 4401420), (80, 3521136), (96, 2934280), (109, 2584320), (120, 2347424), (128, 2200710), (160, 1760568), (192, 1467140), (218, 1292160), (240, 1173712), (256, 1100355), (320, 880284), (327, 861440), (384, 733570), (436, 646080), (480, 586856), (545, 516864), (640, 440142), (654, 430720), (673, 418560), (768, 366785), (872, 323040), (960, 293428), (1090, 258432), (1280, 220071), (1308, 215360), (1346, 209280), (1635, 172288), (1744, 161520), (1920, 146714), (2019, 139520), (2180, 129216), (2616, 107680), (2692, 104640), (3270, 86144), (3365, 83712), (3488, 80760), (3840, 73357), (4038, 69760), (4360, 64608), (5232, 53840), (5384, 52320), (6540, 43072), (6730, 41856), (6976, 40380), (8076, 34880), (8720, 32304), (10095, 27904), (10464, 26920), (10768, 26160), (13080, 21536), (13460, 20928), (13952, 20190), (16152, 17440)]