21247505280

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{409867}}^1$

素因数の和:409898

約数の個数: 160

約数和(自身を含む): 75878862840

約数和(自身を除く): 54631357560

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, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 810, 864, 960, 1080, 1152, 1296, 1440, 1620, 1728, 1920, 2160, 2592, 2880, 3240, 3456, 4320, 5184, 5760, 6480, 8640, 10368, 12960, 17280, 25920, 51840, 409867, 819734, 1229601, 1639468, 2049335, 2459202, 3278936, 3688803, 4098670, 4918404, 6148005, 6557872, 7377606, 8197340, 9836808, 11066409, 12296010, 13115744, 14755212, 16394680, 18444015, 19673616, 22132818, 24592020, 26231488, 29510424, 32789360, 33199227, 36888030, 39347232, 44265636, 49184040, 52462976, 55332045, 59020848, 65578720, 66398454, 73776060, 78694464, 88531272, 98368080, 110664090, 118041696, 131157440, 132796908, 147552120, 157388928, 165996135, 177062544, 196736160, 221328180, 236083392, 262314880, 265593816, 295104240, 331992270, 354125088, 393472320, 442656360, 472166784, 531187632, 590208480, 663984540, 708250176, 786944640, 885312720, 1062375264, 1180416960, 1327969080, 1416500352, 1770625440, 2124750528, 2360833920, 2655938160, 3541250880, 4249501056, 5311876320, 7082501760, 10623752640, 21247505280]

約数ペア:

[(1, 21247505280), (2, 10623752640), (3, 7082501760), (4, 5311876320), (5, 4249501056), (6, 3541250880), (8, 2655938160), (9, 2360833920), (10, 2124750528), (12, 1770625440), (15, 1416500352), (16, 1327969080), (18, 1180416960), (20, 1062375264), (24, 885312720), (27, 786944640), (30, 708250176), (32, 663984540), (36, 590208480), (40, 531187632), (45, 472166784), (48, 442656360), (54, 393472320), (60, 354125088), (64, 331992270), (72, 295104240), (80, 265593816), (81, 262314880), (90, 236083392), (96, 221328180), (108, 196736160), (120, 177062544), (128, 165996135), (135, 157388928), (144, 147552120), (160, 132796908), (162, 131157440), (180, 118041696), (192, 110664090), (216, 98368080), (240, 88531272), (270, 78694464), (288, 73776060), (320, 66398454), (324, 65578720), (360, 59020848), (384, 55332045), (405, 52462976), (432, 49184040), (480, 44265636), (540, 39347232), (576, 36888030), (640, 33199227), (648, 32789360), (720, 29510424), (810, 26231488), (864, 24592020), (960, 22132818), (1080, 19673616), (1152, 18444015), (1296, 16394680), (1440, 14755212), (1620, 13115744), (1728, 12296010), (1920, 11066409), (2160, 9836808), (2592, 8197340), (2880, 7377606), (3240, 6557872), (3456, 6148005), (4320, 4918404), (5184, 4098670), (5760, 3688803), (6480, 3278936), (8640, 2459202), (10368, 2049335), (12960, 1639468), (17280, 1229601), (25920, 819734), (51840, 409867)]