16556880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{463}}^1$

素因数の和:628

約数の個数: 80

約数和(自身を含む): 51782400

約数和(自身を除く): 35225520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 149, 240, 298, 447, 463, 596, 745, 894, 926, 1192, 1389, 1490, 1788, 1852, 2235, 2315, 2384, 2778, 2980, 3576, 3704, 4470, 4630, 5556, 5960, 6945, 7152, 7408, 8940, 9260, 11112, 11920, 13890, 17880, 18520, 22224, 27780, 35760, 37040, 55560, 68987, 111120, 137974, 206961, 275948, 344935, 413922, 551896, 689870, 827844, 1034805, 1103792, 1379740, 1655688, 2069610, 2759480, 3311376, 4139220, 5518960, 8278440, 16556880]

約数ペア:

[(1, 16556880), (2, 8278440), (3, 5518960), (4, 4139220), (5, 3311376), (6, 2759480), (8, 2069610), (10, 1655688), (12, 1379740), (15, 1103792), (16, 1034805), (20, 827844), (24, 689870), (30, 551896), (40, 413922), (48, 344935), (60, 275948), (80, 206961), (120, 137974), (149, 111120), (240, 68987), (298, 55560), (447, 37040), (463, 35760), (596, 27780), (745, 22224), (894, 18520), (926, 17880), (1192, 13890), (1389, 11920), (1490, 11112), (1788, 9260), (1852, 8940), (2235, 7408), (2315, 7152), (2384, 6945), (2778, 5960), (2980, 5556), (3576, 4630), (3704, 4470)]