338954640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10781}}^1$

素因数の和:10928

約数の個数: 80

約数和(自身を含む): 1058878656

約数和(自身を除く): 719924016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2620, 3144, 3930, 5240, 6288, 7860, 10480, 10781, 15720, 21562, 31440, 32343, 43124, 53905, 64686, 86248, 107810, 129372, 161715, 172496, 215620, 258744, 323430, 431240, 517488, 646860, 862480, 1293720, 1412311, 2587440, 2824622, 4236933, 5649244, 7061555, 8473866, 11298488, 14123110, 16947732, 21184665, 22596976, 28246220, 33895464, 42369330, 56492440, 67790928, 84738660, 112984880, 169477320, 338954640]

約数ペア:

[(1, 338954640), (2, 169477320), (3, 112984880), (4, 84738660), (5, 67790928), (6, 56492440), (8, 42369330), (10, 33895464), (12, 28246220), (15, 22596976), (16, 21184665), (20, 16947732), (24, 14123110), (30, 11298488), (40, 8473866), (48, 7061555), (60, 5649244), (80, 4236933), (120, 2824622), (131, 2587440), (240, 1412311), (262, 1293720), (393, 862480), (524, 646860), (655, 517488), (786, 431240), (1048, 323430), (1310, 258744), (1572, 215620), (1965, 172496), (2096, 161715), (2620, 129372), (3144, 107810), (3930, 86248), (5240, 64686), (6288, 53905), (7860, 43124), (10480, 32343), (10781, 31440), (15720, 21562)]