205956720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{12437}}^1$

素因数の和:12479

約数の個数: 120

約数和(自身を含む): 721802016

約数和(自身を除く): 515845296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 4140, 5520, 8280, 12437, 16560, 24874, 37311, 49748, 62185, 74622, 99496, 111933, 124370, 149244, 186555, 198992, 223866, 248740, 286051, 298488, 373110, 447732, 497480, 559665, 572102, 596976, 746220, 858153, 895464, 994960, 1119330, 1144204, 1430255, 1492440, 1716306, 1790928, 2238660, 2288408, 2574459, 2860510, 2984880, 3432612, 4290765, 4477320, 4576816, 5148918, 5721020, 6865224, 8581530, 8954640, 10297836, 11442040, 12872295, 13730448, 17163060, 20595672, 22884080, 25744590, 34326120, 41191344, 51489180, 68652240, 102978360, 205956720]

約数ペア:

[(1, 205956720), (2, 102978360), (3, 68652240), (4, 51489180), (5, 41191344), (6, 34326120), (8, 25744590), (9, 22884080), (10, 20595672), (12, 17163060), (15, 13730448), (16, 12872295), (18, 11442040), (20, 10297836), (23, 8954640), (24, 8581530), (30, 6865224), (36, 5721020), (40, 5148918), (45, 4576816), (46, 4477320), (48, 4290765), (60, 3432612), (69, 2984880), (72, 2860510), (80, 2574459), (90, 2288408), (92, 2238660), (115, 1790928), (120, 1716306), (138, 1492440), (144, 1430255), (180, 1144204), (184, 1119330), (207, 994960), (230, 895464), (240, 858153), (276, 746220), (345, 596976), (360, 572102), (368, 559665), (414, 497480), (460, 447732), (552, 373110), (690, 298488), (720, 286051), (828, 248740), (920, 223866), (1035, 198992), (1104, 186555), (1380, 149244), (1656, 124370), (1840, 111933), (2070, 99496), (2760, 74622), (3312, 62185), (4140, 49748), (5520, 37311), (8280, 24874), (12437, 16560)]