128337840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{178247}}^1$

素因数の和:178266

約数の個数: 60

約数和(自身を含む): 431003664

約数和(自身を除く): 302665824

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, 178247, 356494, 534741, 712988, 891235, 1069482, 1425976, 1604223, 1782470, 2138964, 2673705, 2851952, 3208446, 3564940, 4277928, 5347410, 6416892, 7129880, 8021115, 8555856, 10694820, 12833784, 14259760, 16042230, 21389640, 25667568, 32084460, 42779280, 64168920, 128337840]

約数ペア:

[(1, 128337840), (2, 64168920), (3, 42779280), (4, 32084460), (5, 25667568), (6, 21389640), (8, 16042230), (9, 14259760), (10, 12833784), (12, 10694820), (15, 8555856), (16, 8021115), (18, 7129880), (20, 6416892), (24, 5347410), (30, 4277928), (36, 3564940), (40, 3208446), (45, 2851952), (48, 2673705), (60, 2138964), (72, 1782470), (80, 1604223), (90, 1425976), (120, 1069482), (144, 891235), (180, 712988), (240, 534741), (360, 356494), (720, 178247)]