20712788640

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1598209}}^1$

素因数の和:1598236

約数の個数: 120

約数和(自身を含む): 73098928980

約数和(自身を除く): 52386140340

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 1598209, 3196418, 4794627, 6392836, 7991045, 9589254, 12785672, 14383881, 15982090, 19178508, 23973135, 25571344, 28767762, 31964180, 38357016, 43151643, 47946270, 51142688, 57535524, 63928360, 71919405, 76714032, 86303286, 95892540, 115071048, 127856720, 129454929, 143838810, 153428064, 172606572, 191785080, 215758215, 230142096, 255713440, 258909858, 287677620, 345213144, 383570160, 431516430, 460284192, 517819716, 575355240, 647274645, 690426288, 767140320, 863032860, 1035639432, 1150710480, 1294549290, 1380852576, 1726065720, 2071278864, 2301420960, 2589098580, 3452131440, 4142557728, 5178197160, 6904262880, 10356394320, 20712788640]

約数ペア:

[(1, 20712788640), (2, 10356394320), (3, 6904262880), (4, 5178197160), (5, 4142557728), (6, 3452131440), (8, 2589098580), (9, 2301420960), (10, 2071278864), (12, 1726065720), (15, 1380852576), (16, 1294549290), (18, 1150710480), (20, 1035639432), (24, 863032860), (27, 767140320), (30, 690426288), (32, 647274645), (36, 575355240), (40, 517819716), (45, 460284192), (48, 431516430), (54, 383570160), (60, 345213144), (72, 287677620), (80, 258909858), (81, 255713440), (90, 230142096), (96, 215758215), (108, 191785080), (120, 172606572), (135, 153428064), (144, 143838810), (160, 129454929), (162, 127856720), (180, 115071048), (216, 95892540), (240, 86303286), (270, 76714032), (288, 71919405), (324, 63928360), (360, 57535524), (405, 51142688), (432, 47946270), (480, 43151643), (540, 38357016), (648, 31964180), (720, 28767762), (810, 25571344), (864, 23973135), (1080, 19178508), (1296, 15982090), (1440, 14383881), (1620, 12785672), (2160, 9589254), (2592, 7991045), (3240, 6392836), (4320, 4794627), (6480, 3196418), (12960, 1598209)]