156909080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{601}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 362789280

約数和(自身を除く): 205880200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 107, 122, 214, 244, 305, 428, 488, 535, 601, 610, 856, 1070, 1202, 1220, 2140, 2404, 2440, 3005, 4280, 4808, 6010, 6527, 12020, 13054, 24040, 26108, 32635, 36661, 52216, 64307, 65270, 73322, 128614, 130540, 146644, 183305, 257228, 261080, 293288, 321535, 366610, 514456, 643070, 733220, 1286140, 1466440, 2572280, 3922727, 7845454, 15690908, 19613635, 31381816, 39227270, 78454540, 156909080]

約数ペア:

[(1, 156909080), (2, 78454540), (4, 39227270), (5, 31381816), (8, 19613635), (10, 15690908), (20, 7845454), (40, 3922727), (61, 2572280), (107, 1466440), (122, 1286140), (214, 733220), (244, 643070), (305, 514456), (428, 366610), (488, 321535), (535, 293288), (601, 261080), (610, 257228), (856, 183305), (1070, 146644), (1202, 130540), (1220, 128614), (2140, 73322), (2404, 65270), (2440, 64307), (3005, 52216), (4280, 36661), (4808, 32635), (6010, 26108), (6527, 24040), (12020, 13054)]