1200255

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 2363904

約数和(自身を除く): 1163649

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 69, 71, 105, 115, 147, 161, 213, 245, 345, 355, 483, 497, 735, 805, 1065, 1127, 1491, 1633, 2415, 2485, 3381, 3479, 4899, 5635, 7455, 8165, 10437, 11431, 16905, 17395, 24495, 34293, 52185, 57155, 80017, 171465, 240051, 400085, 1200255]

約数ペア:

[(1, 1200255), (3, 400085), (5, 240051), (7, 171465), (15, 80017), (21, 57155), (23, 52185), (35, 34293), (49, 24495), (69, 17395), (71, 16905), (105, 11431), (115, 10437), (147, 8165), (161, 7455), (213, 5635), (245, 4899), (345, 3479), (355, 3381), (483, 2485), (497, 2415), (735, 1633), (805, 1491), (1065, 1127)]