128568240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{178567}}^1$

素因数の和:178586

約数の個数: 60

約数和(自身を含む): 431777424

約数和(自身を除く): 303209184

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 178567, 357134, 535701, 714268, 892835, 1071402, 1428536, 1607103, 1785670, 2142804, 2678505, 2857072, 3214206, 3571340, 4285608, 5357010, 6428412, 7142680, 8035515, 8571216, 10714020, 12856824, 14285360, 16071030, 21428040, 25713648, 32142060, 42856080, 64284120, 128568240]

約数ペア:

[(1, 128568240), (2, 64284120), (3, 42856080), (4, 32142060), (5, 25713648), (6, 21428040), (8, 16071030), (9, 14285360), (10, 12856824), (12, 10714020), (15, 8571216), (16, 8035515), (18, 7142680), (20, 6428412), (24, 5357010), (30, 4285608), (36, 3571340), (40, 3214206), (45, 2857072), (48, 2678505), (60, 2142804), (72, 1785670), (80, 1607103), (90, 1428536), (120, 1071402), (144, 892835), (180, 714268), (240, 535701), (360, 357134), (720, 178567)]