1290170880

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{55997}}^1$

素因数の和:56026

約数の個数: 120

約数和(自身を含む): 4468304412

約数和(自身を除く): 3178133532

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, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11520, 23040, 55997, 111994, 167991, 223988, 279985, 335982, 447976, 503973, 559970, 671964, 839955, 895952, 1007946, 1119940, 1343928, 1679910, 1791904, 2015892, 2239880, 2519865, 2687856, 3359820, 3583808, 4031784, 4479760, 5039730, 5375712, 6719640, 7167616, 8063568, 8959520, 10079460, 10751424, 13439280, 14335232, 16127136, 17919040, 20158920, 21502848, 26878560, 28670464, 32254272, 35838080, 40317840, 43005696, 53757120, 64508544, 71676160, 80635680, 86011392, 107514240, 129017088, 143352320, 161271360, 215028480, 258034176, 322542720, 430056960, 645085440, 1290170880]

約数ペア:

[(1, 1290170880), (2, 645085440), (3, 430056960), (4, 322542720), (5, 258034176), (6, 215028480), (8, 161271360), (9, 143352320), (10, 129017088), (12, 107514240), (15, 86011392), (16, 80635680), (18, 71676160), (20, 64508544), (24, 53757120), (30, 43005696), (32, 40317840), (36, 35838080), (40, 32254272), (45, 28670464), (48, 26878560), (60, 21502848), (64, 20158920), (72, 17919040), (80, 16127136), (90, 14335232), (96, 13439280), (120, 10751424), (128, 10079460), (144, 8959520), (160, 8063568), (180, 7167616), (192, 6719640), (240, 5375712), (256, 5039730), (288, 4479760), (320, 4031784), (360, 3583808), (384, 3359820), (480, 2687856), (512, 2519865), (576, 2239880), (640, 2015892), (720, 1791904), (768, 1679910), (960, 1343928), (1152, 1119940), (1280, 1007946), (1440, 895952), (1536, 839955), (1920, 671964), (2304, 559970), (2560, 503973), (2880, 447976), (3840, 335982), (4608, 279985), (5760, 223988), (7680, 167991), (11520, 111994), (23040, 55997)]