399271680

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{3851}}^1$

素因数の和:3884

約数の個数: 180

約数和(自身を含む): 1429038072

約数和(自身を除く): 1029766392

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, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1620, 1728, 1920, 2160, 2304, 2592, 2880, 3240, 3456, 3840, 3851, 4320, 5184, 5760, 6480, 6912, 7702, 8640, 10368, 11520, 11553, 12960, 15404, 17280, 19255, 20736, 23106, 25920, 30808, 34560, 34659, 38510, 46212, 51840, 57765, 61616, 69318, 77020, 92424, 103680, 103977, 115530, 123232, 138636, 154040, 173295, 184848, 207954, 231060, 246464, 277272, 308080, 311931, 346590, 369696, 415908, 462120, 492928, 519885, 554544, 616160, 623862, 693180, 739392, 831816, 924240, 985856, 1039770, 1109088, 1232320, 1247724, 1386360, 1478784, 1559655, 1663632, 1848480, 2079540, 2218176, 2464640, 2495448, 2772720, 2957568, 3119310, 3327264, 3696960, 4159080, 4436352, 4929280, 4990896, 5545440, 6238620, 6654528, 7393920, 8318160, 8872704, 9981792, 11090880, 12477240, 13309056, 14787840, 16636320, 19963584, 22181760, 24954480, 26618112, 33272640, 39927168, 44363520, 49908960, 66545280, 79854336, 99817920, 133090560, 199635840, 399271680]

約数ペア:

[(1, 399271680), (2, 199635840), (3, 133090560), (4, 99817920), (5, 79854336), (6, 66545280), (8, 49908960), (9, 44363520), (10, 39927168), (12, 33272640), (15, 26618112), (16, 24954480), (18, 22181760), (20, 19963584), (24, 16636320), (27, 14787840), (30, 13309056), (32, 12477240), (36, 11090880), (40, 9981792), (45, 8872704), (48, 8318160), (54, 7393920), (60, 6654528), (64, 6238620), (72, 5545440), (80, 4990896), (81, 4929280), (90, 4436352), (96, 4159080), (108, 3696960), (120, 3327264), (128, 3119310), (135, 2957568), (144, 2772720), (160, 2495448), (162, 2464640), (180, 2218176), (192, 2079540), (216, 1848480), (240, 1663632), (256, 1559655), (270, 1478784), (288, 1386360), (320, 1247724), (324, 1232320), (360, 1109088), (384, 1039770), (405, 985856), (432, 924240), (480, 831816), (540, 739392), (576, 693180), (640, 623862), (648, 616160), (720, 554544), (768, 519885), (810, 492928), (864, 462120), (960, 415908), (1080, 369696), (1152, 346590), (1280, 311931), (1296, 308080), (1440, 277272), (1620, 246464), (1728, 231060), (1920, 207954), (2160, 184848), (2304, 173295), (2592, 154040), (2880, 138636), (3240, 123232), (3456, 115530), (3840, 103977), (3851, 103680), (4320, 92424), (5184, 77020), (5760, 69318), (6480, 61616), (6912, 57765), (7702, 51840), (8640, 46212), (10368, 38510), (11520, 34659), (11553, 34560), (12960, 30808), (15404, 25920), (17280, 23106), (19255, 20736)]