122707840

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1759}}^1$

素因数の和:1887

約数の個数: 64

約数和(自身を含む): 296208000

約数和(自身を除く): 173500160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 436, 545, 640, 872, 1090, 1744, 1759, 2180, 3488, 3518, 4360, 6976, 7036, 8720, 8795, 13952, 14072, 17440, 17590, 28144, 34880, 35180, 56288, 69760, 70360, 112576, 140720, 191731, 225152, 281440, 383462, 562880, 766924, 958655, 1125760, 1533848, 1917310, 3067696, 3834620, 6135392, 7669240, 12270784, 15338480, 24541568, 30676960, 61353920, 122707840]

約数ペア:

[(1, 122707840), (2, 61353920), (4, 30676960), (5, 24541568), (8, 15338480), (10, 12270784), (16, 7669240), (20, 6135392), (32, 3834620), (40, 3067696), (64, 1917310), (80, 1533848), (109, 1125760), (128, 958655), (160, 766924), (218, 562880), (320, 383462), (436, 281440), (545, 225152), (640, 191731), (872, 140720), (1090, 112576), (1744, 70360), (1759, 69760), (2180, 56288), (3488, 35180), (3518, 34880), (4360, 28144), (6976, 17590), (7036, 17440), (8720, 14072), (8795, 13952)]