255882240

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{617}}^1$

素因数の和:654

約数の個数: 220

約数和(自身を含む): 918423396

約数和(自身を除く): 662541156

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 617, 640, 648, 720, 768, 810, 864, 960, 1024, 1080, 1152, 1234, 1280, 1296, 1440, 1536, 1620, 1728, 1851, 1920, 2160, 2304, 2468, 2560, 2592, 2880, 3072, 3085, 3240, 3456, 3702, 3840, 4320, 4608, 4936, 5120, 5184, 5553, 5760, 6170, 6480, 6912, 7404, 7680, 8640, 9216, 9255, 9872, 10368, 11106, 11520, 12340, 12960, 13824, 14808, 15360, 16659, 17280, 18510, 19744, 20736, 22212, 23040, 24680, 25920, 27648, 27765, 29616, 33318, 34560, 37020, 39488, 41472, 44424, 46080, 49360, 49977, 51840, 55530, 59232, 66636, 69120, 74040, 78976, 82944, 83295, 88848, 98720, 99954, 103680, 111060, 118464, 133272, 138240, 148080, 157952, 166590, 177696, 197440, 199908, 207360, 222120, 236928, 249885, 266544, 296160, 315904, 333180, 355392, 394880, 399816, 414720, 444240, 473856, 499770, 533088, 592320, 631808, 666360, 710784, 789760, 799632, 888480, 947712, 999540, 1066176, 1184640, 1332720, 1421568, 1579520, 1599264, 1776960, 1895424, 1999080, 2132352, 2369280, 2665440, 2843136, 3159040, 3198528, 3553920, 3998160, 4264704, 4738560, 5330880, 5686272, 6397056, 7107840, 7996320, 8529408, 9477120, 10661760, 12794112, 14215680, 15992640, 17058816, 21323520, 25588224, 28431360, 31985280, 42647040, 51176448, 63970560, 85294080, 127941120, 255882240]

約数ペア:

[(1, 255882240), (2, 127941120), (3, 85294080), (4, 63970560), (5, 51176448), (6, 42647040), (8, 31985280), (9, 28431360), (10, 25588224), (12, 21323520), (15, 17058816), (16, 15992640), (18, 14215680), (20, 12794112), (24, 10661760), (27, 9477120), (30, 8529408), (32, 7996320), (36, 7107840), (40, 6397056), (45, 5686272), (48, 5330880), (54, 4738560), (60, 4264704), (64, 3998160), (72, 3553920), (80, 3198528), (81, 3159040), (90, 2843136), (96, 2665440), (108, 2369280), (120, 2132352), (128, 1999080), (135, 1895424), (144, 1776960), (160, 1599264), (162, 1579520), (180, 1421568), (192, 1332720), (216, 1184640), (240, 1066176), (256, 999540), (270, 947712), (288, 888480), (320, 799632), (324, 789760), (360, 710784), (384, 666360), (405, 631808), (432, 592320), (480, 533088), (512, 499770), (540, 473856), (576, 444240), (617, 414720), (640, 399816), (648, 394880), (720, 355392), (768, 333180), (810, 315904), (864, 296160), (960, 266544), (1024, 249885), (1080, 236928), (1152, 222120), (1234, 207360), (1280, 199908), (1296, 197440), (1440, 177696), (1536, 166590), (1620, 157952), (1728, 148080), (1851, 138240), (1920, 133272), (2160, 118464), (2304, 111060), (2468, 103680), (2560, 99954), (2592, 98720), (2880, 88848), (3072, 83295), (3085, 82944), (3240, 78976), (3456, 74040), (3702, 69120), (3840, 66636), (4320, 59232), (4608, 55530), (4936, 51840), (5120, 49977), (5184, 49360), (5553, 46080), (5760, 44424), (6170, 41472), (6480, 39488), (6912, 37020), (7404, 34560), (7680, 33318), (8640, 29616), (9216, 27765), (9255, 27648), (9872, 25920), (10368, 24680), (11106, 23040), (11520, 22212), (12340, 20736), (12960, 19744), (13824, 18510), (14808, 17280), (15360, 16659)]