210465920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:566

約数の個数: 128

約数和(自身を含む): 581644800

約数和(自身を除く): 371178880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 109, 112, 128, 140, 160, 218, 224, 280, 320, 431, 436, 448, 545, 560, 640, 763, 862, 872, 896, 1090, 1120, 1526, 1724, 1744, 2155, 2180, 2240, 3017, 3052, 3448, 3488, 3815, 4310, 4360, 4480, 6034, 6104, 6896, 6976, 7630, 8620, 8720, 12068, 12208, 13792, 13952, 15085, 15260, 17240, 17440, 24136, 24416, 27584, 30170, 30520, 34480, 34880, 46979, 48272, 48832, 55168, 60340, 61040, 68960, 69760, 93958, 96544, 97664, 120680, 122080, 137920, 187916, 193088, 234895, 241360, 244160, 275840, 328853, 375832, 386176, 469790, 482720, 488320, 657706, 751664, 939580, 965440, 1315412, 1503328, 1644265, 1879160, 1930880, 2630824, 3006656, 3288530, 3758320, 5261648, 6013312, 6577060, 7516640, 10523296, 13154120, 15033280, 21046592, 26308240, 30066560, 42093184, 52616480, 105232960, 210465920]

約数ペア:

[(1, 210465920), (2, 105232960), (4, 52616480), (5, 42093184), (7, 30066560), (8, 26308240), (10, 21046592), (14, 15033280), (16, 13154120), (20, 10523296), (28, 7516640), (32, 6577060), (35, 6013312), (40, 5261648), (56, 3758320), (64, 3288530), (70, 3006656), (80, 2630824), (109, 1930880), (112, 1879160), (128, 1644265), (140, 1503328), (160, 1315412), (218, 965440), (224, 939580), (280, 751664), (320, 657706), (431, 488320), (436, 482720), (448, 469790), (545, 386176), (560, 375832), (640, 328853), (763, 275840), (862, 244160), (872, 241360), (896, 234895), (1090, 193088), (1120, 187916), (1526, 137920), (1724, 122080), (1744, 120680), (2155, 97664), (2180, 96544), (2240, 93958), (3017, 69760), (3052, 68960), (3448, 61040), (3488, 60340), (3815, 55168), (4310, 48832), (4360, 48272), (4480, 46979), (6034, 34880), (6104, 34480), (6896, 30520), (6976, 30170), (7630, 27584), (8620, 24416), (8720, 24136), (12068, 17440), (12208, 17240), (13792, 15260), (13952, 15085)]