210755440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16363}}^1$

素因数の和:16406

約数の個数: 80

約数和(自身を含む): 584391168

約数和(自身を除く): 373635728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 16363, 32726, 65452, 81815, 114541, 130904, 163630, 229082, 261808, 327260, 376349, 458164, 572705, 654520, 752698, 916328, 1145410, 1309040, 1505396, 1832656, 1881745, 2290820, 2634443, 3010792, 3763490, 4581640, 5268886, 6021584, 7526980, 9163280, 10537772, 13172215, 15053960, 21075544, 26344430, 30107920, 42151088, 52688860, 105377720, 210755440]

約数ペア:

[(1, 210755440), (2, 105377720), (4, 52688860), (5, 42151088), (7, 30107920), (8, 26344430), (10, 21075544), (14, 15053960), (16, 13172215), (20, 10537772), (23, 9163280), (28, 7526980), (35, 6021584), (40, 5268886), (46, 4581640), (56, 3763490), (70, 3010792), (80, 2634443), (92, 2290820), (112, 1881745), (115, 1832656), (140, 1505396), (161, 1309040), (184, 1145410), (230, 916328), (280, 752698), (322, 654520), (368, 572705), (460, 458164), (560, 376349), (644, 327260), (805, 261808), (920, 229082), (1288, 163630), (1610, 130904), (1840, 114541), (2576, 81815), (3220, 65452), (6440, 32726), (12880, 16363)]