257690880

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{22369}}^1$

素因数の和:22396

約数の個数: 108

約数和(自身を含む): 891623460

約数和(自身を除く): 633932580

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 22369, 44738, 67107, 89476, 111845, 134214, 178952, 201321, 223690, 268428, 335535, 357904, 402642, 447380, 536856, 671070, 715808, 805284, 894760, 1006605, 1073712, 1342140, 1431616, 1610568, 1789520, 2013210, 2147424, 2684280, 2863232, 3221136, 3579040, 4026420, 4294848, 5368560, 5726464, 6442272, 7158080, 8052840, 8589696, 10737120, 12884544, 14316160, 16105680, 17179392, 21474240, 25769088, 28632320, 32211360, 42948480, 51538176, 64422720, 85896960, 128845440, 257690880]

約数ペア:

[(1, 257690880), (2, 128845440), (3, 85896960), (4, 64422720), (5, 51538176), (6, 42948480), (8, 32211360), (9, 28632320), (10, 25769088), (12, 21474240), (15, 17179392), (16, 16105680), (18, 14316160), (20, 12884544), (24, 10737120), (30, 8589696), (32, 8052840), (36, 7158080), (40, 6442272), (45, 5726464), (48, 5368560), (60, 4294848), (64, 4026420), (72, 3579040), (80, 3221136), (90, 2863232), (96, 2684280), (120, 2147424), (128, 2013210), (144, 1789520), (160, 1610568), (180, 1431616), (192, 1342140), (240, 1073712), (256, 1006605), (288, 894760), (320, 805284), (360, 715808), (384, 671070), (480, 536856), (576, 447380), (640, 402642), (720, 357904), (768, 335535), (960, 268428), (1152, 223690), (1280, 201321), (1440, 178952), (1920, 134214), (2304, 111845), (2880, 89476), (3840, 67107), (5760, 44738), (11520, 22369)]