266945120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{128339}}^1$

素因数の和:128367

約数の個数: 48

約数和(自身を含む): 679175280

約数和(自身を除く): 412230160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 128339, 256678, 513356, 641695, 1026712, 1283390, 1668407, 2053424, 2566780, 3336814, 4106848, 5133560, 6673628, 8342035, 10267120, 13347256, 16684070, 20534240, 26694512, 33368140, 53389024, 66736280, 133472560, 266945120]

約数ペア:

[(1, 266945120), (2, 133472560), (4, 66736280), (5, 53389024), (8, 33368140), (10, 26694512), (13, 20534240), (16, 16684070), (20, 13347256), (26, 10267120), (32, 8342035), (40, 6673628), (52, 5133560), (65, 4106848), (80, 3336814), (104, 2566780), (130, 2053424), (160, 1668407), (208, 1283390), (260, 1026712), (416, 641695), (520, 513356), (1040, 256678), (2080, 128339)]