208741920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1009}}^1$

素因数の和:1458

約数の個数: 96

約数和(自身を含む): 659715840

約数和(自身を除く): 450973920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 431, 480, 862, 1009, 1293, 1724, 2018, 2155, 2586, 3027, 3448, 4036, 4310, 5045, 5172, 6054, 6465, 6896, 8072, 8620, 10090, 10344, 12108, 12930, 13792, 15135, 16144, 17240, 20180, 20688, 24216, 25860, 30270, 32288, 34480, 40360, 41376, 48432, 51720, 60540, 68960, 80720, 96864, 103440, 121080, 161440, 206880, 242160, 434879, 484320, 869758, 1304637, 1739516, 2174395, 2609274, 3479032, 4348790, 5218548, 6523185, 6958064, 8697580, 10437096, 13046370, 13916128, 17395160, 20874192, 26092740, 34790320, 41748384, 52185480, 69580640, 104370960, 208741920]

約数ペア:

[(1, 208741920), (2, 104370960), (3, 69580640), (4, 52185480), (5, 41748384), (6, 34790320), (8, 26092740), (10, 20874192), (12, 17395160), (15, 13916128), (16, 13046370), (20, 10437096), (24, 8697580), (30, 6958064), (32, 6523185), (40, 5218548), (48, 4348790), (60, 3479032), (80, 2609274), (96, 2174395), (120, 1739516), (160, 1304637), (240, 869758), (431, 484320), (480, 434879), (862, 242160), (1009, 206880), (1293, 161440), (1724, 121080), (2018, 103440), (2155, 96864), (2586, 80720), (3027, 68960), (3448, 60540), (4036, 51720), (4310, 48432), (5045, 41376), (5172, 40360), (6054, 34480), (6465, 32288), (6896, 30270), (8072, 25860), (8620, 24216), (10090, 20688), (10344, 20180), (12108, 17240), (12930, 16144), (13792, 15135)]