154212880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{31601}}^1$

素因数の和:31675

約数の個数: 40

約数和(自身を含む): 364434264

約数和(自身を除く): 210221384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 31601, 63202, 126404, 158005, 252808, 316010, 505616, 632020, 1264040, 1927661, 2528080, 3855322, 7710644, 9638305, 15421288, 19276610, 30842576, 38553220, 77106440, 154212880]

約数ペア:

[(1, 154212880), (2, 77106440), (4, 38553220), (5, 30842576), (8, 19276610), (10, 15421288), (16, 9638305), (20, 7710644), (40, 3855322), (61, 2528080), (80, 1927661), (122, 1264040), (244, 632020), (305, 505616), (488, 316010), (610, 252808), (976, 158005), (1220, 126404), (2440, 63202), (4880, 31601)]