280905984

素因数分解:

$2^8\times 3^2\times {\mathrm{121921}}^1$

素因数の和:121943

約数の個数: 54

約数和(自身を含む): 809927846

約数和(自身を除く): 529021862

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 768, 1152, 2304, 121921, 243842, 365763, 487684, 731526, 975368, 1097289, 1463052, 1950736, 2194578, 2926104, 3901472, 4389156, 5852208, 7802944, 8778312, 11704416, 15605888, 17556624, 23408832, 31211776, 35113248, 46817664, 70226496, 93635328, 140452992, 280905984]

約数ペア:

[(1, 280905984), (2, 140452992), (3, 93635328), (4, 70226496), (6, 46817664), (8, 35113248), (9, 31211776), (12, 23408832), (16, 17556624), (18, 15605888), (24, 11704416), (32, 8778312), (36, 7802944), (48, 5852208), (64, 4389156), (72, 3901472), (96, 2926104), (128, 2194578), (144, 1950736), (192, 1463052), (256, 1097289), (288, 975368), (384, 731526), (576, 487684), (768, 365763), (1152, 243842), (2304, 121921)]