256135680

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{11117}}^1$

素因数の和:11146

約数の個数: 120

約数和(自身を含む): 887149692

約数和(自身を除く): 631014012

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, 11117, 11520, 22234, 23040, 33351, 44468, 55585, 66702, 88936, 100053, 111170, 133404, 166755, 177872, 200106, 222340, 266808, 333510, 355744, 400212, 444680, 500265, 533616, 667020, 711488, 800424, 889360, 1000530, 1067232, 1334040, 1422976, 1600848, 1778720, 2001060, 2134464, 2668080, 2845952, 3201696, 3557440, 4002120, 4268928, 5336160, 5691904, 6403392, 7114880, 8004240, 8537856, 10672320, 12806784, 14229760, 16008480, 17075712, 21344640, 25613568, 28459520, 32016960, 42689280, 51227136, 64033920, 85378560, 128067840, 256135680]

約数ペア:

[(1, 256135680), (2, 128067840), (3, 85378560), (4, 64033920), (5, 51227136), (6, 42689280), (8, 32016960), (9, 28459520), (10, 25613568), (12, 21344640), (15, 17075712), (16, 16008480), (18, 14229760), (20, 12806784), (24, 10672320), (30, 8537856), (32, 8004240), (36, 7114880), (40, 6403392), (45, 5691904), (48, 5336160), (60, 4268928), (64, 4002120), (72, 3557440), (80, 3201696), (90, 2845952), (96, 2668080), (120, 2134464), (128, 2001060), (144, 1778720), (160, 1600848), (180, 1422976), (192, 1334040), (240, 1067232), (256, 1000530), (288, 889360), (320, 800424), (360, 711488), (384, 667020), (480, 533616), (512, 500265), (576, 444680), (640, 400212), (720, 355744), (768, 333510), (960, 266808), (1152, 222340), (1280, 200106), (1440, 177872), (1536, 166755), (1920, 133404), (2304, 111170), (2560, 100053), (2880, 88936), (3840, 66702), (4608, 55585), (5760, 44468), (7680, 33351), (11117, 23040), (11520, 22234)]