18753280

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:71

約数の個数: 216

約数和(自身を含む): 58720032

約数和(自身を除く): 39966752

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 49, 52, 56, 64, 65, 70, 80, 91, 92, 98, 104, 112, 115, 128, 130, 140, 160, 161, 182, 184, 196, 208, 224, 230, 245, 256, 260, 280, 299, 320, 322, 364, 368, 392, 416, 448, 455, 460, 490, 520, 560, 598, 637, 640, 644, 728, 736, 784, 805, 832, 896, 910, 920, 980, 1040, 1120, 1127, 1196, 1274, 1280, 1288, 1456, 1472, 1495, 1568, 1610, 1664, 1792, 1820, 1840, 1960, 2080, 2093, 2240, 2254, 2392, 2548, 2576, 2912, 2944, 2990, 3136, 3185, 3220, 3328, 3640, 3680, 3920, 4160, 4186, 4480, 4508, 4784, 5096, 5152, 5635, 5824, 5888, 5980, 6272, 6370, 6440, 7280, 7360, 7840, 8320, 8372, 8960, 9016, 9568, 10192, 10304, 10465, 11270, 11648, 11960, 12544, 12740, 12880, 14560, 14651, 14720, 15680, 16640, 16744, 18032, 19136, 20384, 20608, 20930, 22540, 23296, 23920, 25480, 25760, 29120, 29302, 29440, 31360, 33488, 36064, 38272, 40768, 41216, 41860, 45080, 47840, 50960, 51520, 58240, 58604, 62720, 66976, 72128, 73255, 76544, 81536, 83720, 90160, 95680, 101920, 103040, 116480, 117208, 133952, 144256, 146510, 163072, 167440, 180320, 191360, 203840, 206080, 234416, 267904, 288512, 293020, 334880, 360640, 382720, 407680, 468832, 535808, 586040, 669760, 721280, 815360, 937664, 1172080, 1339520, 1442560, 1875328, 2344160, 2679040, 3750656, 4688320, 9376640, 18753280]

約数ペア:

[(1, 18753280), (2, 9376640), (4, 4688320), (5, 3750656), (7, 2679040), (8, 2344160), (10, 1875328), (13, 1442560), (14, 1339520), (16, 1172080), (20, 937664), (23, 815360), (26, 721280), (28, 669760), (32, 586040), (35, 535808), (40, 468832), (46, 407680), (49, 382720), (52, 360640), (56, 334880), (64, 293020), (65, 288512), (70, 267904), (80, 234416), (91, 206080), (92, 203840), (98, 191360), (104, 180320), (112, 167440), (115, 163072), (128, 146510), (130, 144256), (140, 133952), (160, 117208), (161, 116480), (182, 103040), (184, 101920), (196, 95680), (208, 90160), (224, 83720), (230, 81536), (245, 76544), (256, 73255), (260, 72128), (280, 66976), (299, 62720), (320, 58604), (322, 58240), (364, 51520), (368, 50960), (392, 47840), (416, 45080), (448, 41860), (455, 41216), (460, 40768), (490, 38272), (520, 36064), (560, 33488), (598, 31360), (637, 29440), (640, 29302), (644, 29120), (728, 25760), (736, 25480), (784, 23920), (805, 23296), (832, 22540), (896, 20930), (910, 20608), (920, 20384), (980, 19136), (1040, 18032), (1120, 16744), (1127, 16640), (1196, 15680), (1274, 14720), (1280, 14651), (1288, 14560), (1456, 12880), (1472, 12740), (1495, 12544), (1568, 11960), (1610, 11648), (1664, 11270), (1792, 10465), (1820, 10304), (1840, 10192), (1960, 9568), (2080, 9016), (2093, 8960), (2240, 8372), (2254, 8320), (2392, 7840), (2548, 7360), (2576, 7280), (2912, 6440), (2944, 6370), (2990, 6272), (3136, 5980), (3185, 5888), (3220, 5824), (3328, 5635), (3640, 5152), (3680, 5096), (3920, 4784), (4160, 4508), (4186, 4480)]