15420216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{349}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 44352000

約数和(自身を除く): 28931784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 263, 349, 526, 698, 789, 1047, 1052, 1396, 1578, 1841, 2094, 2104, 2443, 2792, 3156, 3682, 4188, 4886, 5523, 6312, 7329, 7364, 8376, 9772, 11046, 14658, 14728, 19544, 22092, 29316, 44184, 58632, 91787, 183574, 275361, 367148, 550722, 642509, 734296, 1101444, 1285018, 1927527, 2202888, 2570036, 3855054, 5140072, 7710108, 15420216]

約数ペア:

[(1, 15420216), (2, 7710108), (3, 5140072), (4, 3855054), (6, 2570036), (7, 2202888), (8, 1927527), (12, 1285018), (14, 1101444), (21, 734296), (24, 642509), (28, 550722), (42, 367148), (56, 275361), (84, 183574), (168, 91787), (263, 58632), (349, 44184), (526, 29316), (698, 22092), (789, 19544), (1047, 14728), (1052, 14658), (1396, 11046), (1578, 9772), (1841, 8376), (2094, 7364), (2104, 7329), (2443, 6312), (2792, 5523), (3156, 4886), (3682, 4188)]