128177320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{587}}^1$

素因数の和:754

約数の個数: 64

約数和(自身を含む): 297198720

約数和(自身を除く): 169021400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 103, 106, 206, 212, 265, 412, 424, 515, 530, 587, 824, 1030, 1060, 1174, 2060, 2120, 2348, 2935, 4120, 4696, 5459, 5870, 10918, 11740, 21836, 23480, 27295, 31111, 43672, 54590, 60461, 62222, 109180, 120922, 124444, 155555, 218360, 241844, 248888, 302305, 311110, 483688, 604610, 622220, 1209220, 1244440, 2418440, 3204433, 6408866, 12817732, 16022165, 25635464, 32044330, 64088660, 128177320]

約数ペア:

[(1, 128177320), (2, 64088660), (4, 32044330), (5, 25635464), (8, 16022165), (10, 12817732), (20, 6408866), (40, 3204433), (53, 2418440), (103, 1244440), (106, 1209220), (206, 622220), (212, 604610), (265, 483688), (412, 311110), (424, 302305), (515, 248888), (530, 241844), (587, 218360), (824, 155555), (1030, 124444), (1060, 120922), (1174, 109180), (2060, 62222), (2120, 60461), (2348, 54590), (2935, 43672), (4120, 31111), (4696, 27295), (5459, 23480), (5870, 21836), (10918, 11740)]