128515520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{57373}}^1$

素因数の和:57397

約数の個数: 56

約数和(自身を含む): 349751904

約数和(自身を除く): 221236384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 57373, 114746, 229492, 286865, 401611, 458984, 573730, 803222, 917968, 1147460, 1606444, 1835936, 2008055, 2294920, 3212888, 3671872, 4016110, 4589840, 6425776, 8032220, 9179680, 12851552, 16064440, 18359360, 25703104, 32128880, 64257760, 128515520]

約数ペア:

[(1, 128515520), (2, 64257760), (4, 32128880), (5, 25703104), (7, 18359360), (8, 16064440), (10, 12851552), (14, 9179680), (16, 8032220), (20, 6425776), (28, 4589840), (32, 4016110), (35, 3671872), (40, 3212888), (56, 2294920), (64, 2008055), (70, 1835936), (80, 1606444), (112, 1147460), (140, 917968), (160, 803222), (224, 573730), (280, 458984), (320, 401611), (448, 286865), (560, 229492), (1120, 114746), (2240, 57373)]