51575440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:309

約数の個数: 120

約数和(自身を含む): 142490880

約数和(自身を除く): 90915440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 59, 70, 80, 98, 112, 118, 140, 196, 223, 236, 245, 280, 295, 392, 413, 446, 472, 490, 560, 590, 784, 826, 892, 944, 980, 1115, 1180, 1561, 1652, 1784, 1960, 2065, 2230, 2360, 2891, 3122, 3304, 3568, 3920, 4130, 4460, 4720, 5782, 6244, 6608, 7805, 8260, 8920, 10927, 11564, 12488, 13157, 14455, 15610, 16520, 17840, 21854, 23128, 24976, 26314, 28910, 31220, 33040, 43708, 46256, 52628, 54635, 57820, 62440, 65785, 87416, 92099, 105256, 109270, 115640, 124880, 131570, 174832, 184198, 210512, 218540, 231280, 263140, 368396, 437080, 460495, 526280, 644693, 736792, 874160, 920990, 1052560, 1289386, 1473584, 1841980, 2578772, 3223465, 3683960, 5157544, 6446930, 7367920, 10315088, 12893860, 25787720, 51575440]

約数ペア:

[(1, 51575440), (2, 25787720), (4, 12893860), (5, 10315088), (7, 7367920), (8, 6446930), (10, 5157544), (14, 3683960), (16, 3223465), (20, 2578772), (28, 1841980), (35, 1473584), (40, 1289386), (49, 1052560), (56, 920990), (59, 874160), (70, 736792), (80, 644693), (98, 526280), (112, 460495), (118, 437080), (140, 368396), (196, 263140), (223, 231280), (236, 218540), (245, 210512), (280, 184198), (295, 174832), (392, 131570), (413, 124880), (446, 115640), (472, 109270), (490, 105256), (560, 92099), (590, 87416), (784, 65785), (826, 62440), (892, 57820), (944, 54635), (980, 52628), (1115, 46256), (1180, 43708), (1561, 33040), (1652, 31220), (1784, 28910), (1960, 26314), (2065, 24976), (2230, 23128), (2360, 21854), (2891, 17840), (3122, 16520), (3304, 15610), (3568, 14455), (3920, 13157), (4130, 12488), (4460, 11564), (4720, 10927), (5782, 8920), (6244, 8260), (6608, 7805)]