645789120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18181}}^1$

素因数の和:18238

約数の個数: 112

約数和(自身を含む): 2105911968

約数和(自身を除く): 1460122848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 148, 160, 185, 192, 222, 240, 296, 320, 370, 444, 480, 555, 592, 740, 888, 960, 1110, 1184, 1480, 1776, 2220, 2368, 2960, 3552, 4440, 5920, 7104, 8880, 11840, 17760, 18181, 35520, 36362, 54543, 72724, 90905, 109086, 145448, 181810, 218172, 272715, 290896, 363620, 436344, 545430, 581792, 672697, 727240, 872688, 1090860, 1163584, 1345394, 1454480, 1745376, 2018091, 2181720, 2690788, 2908960, 3363485, 3490752, 4036182, 4363440, 5381576, 5817920, 6726970, 8072364, 8726880, 10090455, 10763152, 13453940, 16144728, 17453760, 20180910, 21526304, 26907880, 32289456, 40361820, 43052608, 53815760, 64578912, 80723640, 107631520, 129157824, 161447280, 215263040, 322894560, 645789120]

約数ペア:

[(1, 645789120), (2, 322894560), (3, 215263040), (4, 161447280), (5, 129157824), (6, 107631520), (8, 80723640), (10, 64578912), (12, 53815760), (15, 43052608), (16, 40361820), (20, 32289456), (24, 26907880), (30, 21526304), (32, 20180910), (37, 17453760), (40, 16144728), (48, 13453940), (60, 10763152), (64, 10090455), (74, 8726880), (80, 8072364), (96, 6726970), (111, 5817920), (120, 5381576), (148, 4363440), (160, 4036182), (185, 3490752), (192, 3363485), (222, 2908960), (240, 2690788), (296, 2181720), (320, 2018091), (370, 1745376), (444, 1454480), (480, 1345394), (555, 1163584), (592, 1090860), (740, 872688), (888, 727240), (960, 672697), (1110, 581792), (1184, 545430), (1480, 436344), (1776, 363620), (2220, 290896), (2368, 272715), (2960, 218172), (3552, 181810), (4440, 145448), (5920, 109086), (7104, 90905), (8880, 72724), (11840, 54543), (17760, 36362), (18181, 35520)]