128023920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{177811}}^1$

素因数の和:177830

約数の個数: 60

約数和(自身を含む): 429949416

約数和(自身を除く): 301925496

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, 177811, 355622, 533433, 711244, 889055, 1066866, 1422488, 1600299, 1778110, 2133732, 2667165, 2844976, 3200598, 3556220, 4267464, 5334330, 6401196, 7112440, 8001495, 8534928, 10668660, 12802392, 14224880, 16002990, 21337320, 25604784, 32005980, 42674640, 64011960, 128023920]

約数ペア:

[(1, 128023920), (2, 64011960), (3, 42674640), (4, 32005980), (5, 25604784), (6, 21337320), (8, 16002990), (9, 14224880), (10, 12802392), (12, 10668660), (15, 8534928), (16, 8001495), (18, 7112440), (20, 6401196), (24, 5334330), (30, 4267464), (36, 3556220), (40, 3200598), (45, 2844976), (48, 2667165), (60, 2133732), (72, 1778110), (80, 1600299), (90, 1422488), (120, 1066866), (144, 889055), (180, 711244), (240, 533433), (360, 355622), (720, 177811)]