128645440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:285

約数の個数: 224

約数和(自身を含む): 400287744

約数和(自身を除く): 271642304

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 32, 35, 40, 44, 46, 55, 56, 64, 70, 77, 80, 88, 92, 110, 112, 115, 140, 154, 160, 161, 176, 184, 220, 224, 227, 230, 253, 280, 308, 320, 322, 352, 368, 385, 440, 448, 454, 460, 506, 560, 616, 644, 704, 736, 770, 805, 880, 908, 920, 1012, 1120, 1135, 1232, 1265, 1288, 1472, 1540, 1589, 1610, 1760, 1771, 1816, 1840, 2024, 2240, 2270, 2464, 2497, 2530, 2576, 3080, 3178, 3220, 3520, 3542, 3632, 3680, 4048, 4540, 4928, 4994, 5060, 5152, 5221, 6160, 6356, 6440, 7084, 7264, 7360, 7945, 8096, 8855, 9080, 9988, 10120, 10304, 10442, 12320, 12485, 12712, 12880, 14168, 14528, 15890, 16192, 17479, 17710, 18160, 19976, 20240, 20884, 24640, 24970, 25424, 25760, 26105, 28336, 31780, 34958, 35420, 36320, 36547, 39952, 40480, 41768, 49940, 50848, 51520, 52210, 56672, 57431, 63560, 69916, 70840, 72640, 73094, 79904, 80960, 83536, 87395, 99880, 101696, 104420, 113344, 114862, 127120, 139832, 141680, 146188, 159808, 167072, 174790, 182735, 199760, 208840, 229724, 254240, 279664, 283360, 287155, 292376, 334144, 349580, 365470, 399520, 402017, 417680, 459448, 508480, 559328, 566720, 574310, 584752, 699160, 730940, 799040, 804034, 835360, 918896, 1118656, 1148620, 1169504, 1398320, 1461880, 1608068, 1670720, 1837792, 2010085, 2297240, 2339008, 2796640, 2923760, 3216136, 3675584, 4020170, 4594480, 5593280, 5847520, 6432272, 8040340, 9188960, 11695040, 12864544, 16080680, 18377920, 25729088, 32161360, 64322720, 128645440]

約数ペア:

[(1, 128645440), (2, 64322720), (4, 32161360), (5, 25729088), (7, 18377920), (8, 16080680), (10, 12864544), (11, 11695040), (14, 9188960), (16, 8040340), (20, 6432272), (22, 5847520), (23, 5593280), (28, 4594480), (32, 4020170), (35, 3675584), (40, 3216136), (44, 2923760), (46, 2796640), (55, 2339008), (56, 2297240), (64, 2010085), (70, 1837792), (77, 1670720), (80, 1608068), (88, 1461880), (92, 1398320), (110, 1169504), (112, 1148620), (115, 1118656), (140, 918896), (154, 835360), (160, 804034), (161, 799040), (176, 730940), (184, 699160), (220, 584752), (224, 574310), (227, 566720), (230, 559328), (253, 508480), (280, 459448), (308, 417680), (320, 402017), (322, 399520), (352, 365470), (368, 349580), (385, 334144), (440, 292376), (448, 287155), (454, 283360), (460, 279664), (506, 254240), (560, 229724), (616, 208840), (644, 199760), (704, 182735), (736, 174790), (770, 167072), (805, 159808), (880, 146188), (908, 141680), (920, 139832), (1012, 127120), (1120, 114862), (1135, 113344), (1232, 104420), (1265, 101696), (1288, 99880), (1472, 87395), (1540, 83536), (1589, 80960), (1610, 79904), (1760, 73094), (1771, 72640), (1816, 70840), (1840, 69916), (2024, 63560), (2240, 57431), (2270, 56672), (2464, 52210), (2497, 51520), (2530, 50848), (2576, 49940), (3080, 41768), (3178, 40480), (3220, 39952), (3520, 36547), (3542, 36320), (3632, 35420), (3680, 34958), (4048, 31780), (4540, 28336), (4928, 26105), (4994, 25760), (5060, 25424), (5152, 24970), (5221, 24640), (6160, 20884), (6356, 20240), (6440, 19976), (7084, 18160), (7264, 17710), (7360, 17479), (7945, 16192), (8096, 15890), (8855, 14528), (9080, 14168), (9988, 12880), (10120, 12712), (10304, 12485), (10442, 12320)]