331591680

素因数分解:

$2^{12}\times 3^2\times 5^1\times 7^1\times {\mathrm{257}}^1$

素因数の和:299

約数の個数: 312

約数和(自身を含む): 1318685472

約数和(自身を除く): 987093792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 257, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 514, 560, 576, 630, 640, 672, 720, 768, 771, 840, 896, 960, 1008, 1024, 1028, 1120, 1152, 1260, 1280, 1285, 1344, 1440, 1536, 1542, 1680, 1792, 1799, 1920, 2016, 2048, 2056, 2240, 2304, 2313, 2520, 2560, 2570, 2688, 2880, 3072, 3084, 3360, 3584, 3598, 3840, 3855, 4032, 4096, 4112, 4480, 4608, 4626, 5040, 5120, 5140, 5376, 5397, 5760, 6144, 6168, 6720, 7168, 7196, 7680, 7710, 8064, 8224, 8960, 8995, 9216, 9252, 10080, 10240, 10280, 10752, 10794, 11520, 11565, 12288, 12336, 13440, 14336, 14392, 15360, 15420, 16128, 16191, 16448, 17920, 17990, 18432, 18504, 20160, 20480, 20560, 21504, 21588, 23040, 23130, 24672, 26880, 26985, 28672, 28784, 30720, 30840, 32256, 32382, 32896, 35840, 35980, 36864, 37008, 40320, 41120, 43008, 43176, 46080, 46260, 49344, 53760, 53970, 57568, 61440, 61680, 64512, 64764, 65792, 71680, 71960, 74016, 80640, 80955, 82240, 86016, 86352, 92160, 92520, 98688, 107520, 107940, 115136, 123360, 129024, 129528, 131584, 143360, 143920, 148032, 161280, 161910, 164480, 172704, 184320, 185040, 197376, 215040, 215880, 230272, 246720, 258048, 259056, 263168, 287840, 296064, 322560, 323820, 328960, 345408, 370080, 394752, 430080, 431760, 460544, 493440, 518112, 526336, 575680, 592128, 645120, 647640, 657920, 690816, 740160, 789504, 863520, 921088, 986880, 1036224, 1052672, 1151360, 1184256, 1290240, 1295280, 1315840, 1381632, 1480320, 1579008, 1727040, 1842176, 1973760, 2072448, 2302720, 2368512, 2590560, 2631680, 2763264, 2960640, 3158016, 3454080, 3684352, 3947520, 4144896, 4605440, 4737024, 5181120, 5263360, 5526528, 5921280, 6908160, 7368704, 7895040, 8289792, 9210880, 9474048, 10362240, 11053056, 11842560, 13816320, 15790080, 16579584, 18421760, 20724480, 22106112, 23685120, 27632640, 33159168, 36843520, 41448960, 47370240, 55265280, 66318336, 82897920, 110530560, 165795840, 331591680]

約数ペア:

[(1, 331591680), (2, 165795840), (3, 110530560), (4, 82897920), (5, 66318336), (6, 55265280), (7, 47370240), (8, 41448960), (9, 36843520), (10, 33159168), (12, 27632640), (14, 23685120), (15, 22106112), (16, 20724480), (18, 18421760), (20, 16579584), (21, 15790080), (24, 13816320), (28, 11842560), (30, 11053056), (32, 10362240), (35, 9474048), (36, 9210880), (40, 8289792), (42, 7895040), (45, 7368704), (48, 6908160), (56, 5921280), (60, 5526528), (63, 5263360), (64, 5181120), (70, 4737024), (72, 4605440), (80, 4144896), (84, 3947520), (90, 3684352), (96, 3454080), (105, 3158016), (112, 2960640), (120, 2763264), (126, 2631680), (128, 2590560), (140, 2368512), (144, 2302720), (160, 2072448), (168, 1973760), (180, 1842176), (192, 1727040), (210, 1579008), (224, 1480320), (240, 1381632), (252, 1315840), (256, 1295280), (257, 1290240), (280, 1184256), (288, 1151360), (315, 1052672), (320, 1036224), (336, 986880), (360, 921088), (384, 863520), (420, 789504), (448, 740160), (480, 690816), (504, 657920), (512, 647640), (514, 645120), (560, 592128), (576, 575680), (630, 526336), (640, 518112), (672, 493440), (720, 460544), (768, 431760), (771, 430080), (840, 394752), (896, 370080), (960, 345408), (1008, 328960), (1024, 323820), (1028, 322560), (1120, 296064), (1152, 287840), (1260, 263168), (1280, 259056), (1285, 258048), (1344, 246720), (1440, 230272), (1536, 215880), (1542, 215040), (1680, 197376), (1792, 185040), (1799, 184320), (1920, 172704), (2016, 164480), (2048, 161910), (2056, 161280), (2240, 148032), (2304, 143920), (2313, 143360), (2520, 131584), (2560, 129528), (2570, 129024), (2688, 123360), (2880, 115136), (3072, 107940), (3084, 107520), (3360, 98688), (3584, 92520), (3598, 92160), (3840, 86352), (3855, 86016), (4032, 82240), (4096, 80955), (4112, 80640), (4480, 74016), (4608, 71960), (4626, 71680), (5040, 65792), (5120, 64764), (5140, 64512), (5376, 61680), (5397, 61440), (5760, 57568), (6144, 53970), (6168, 53760), (6720, 49344), (7168, 46260), (7196, 46080), (7680, 43176), (7710, 43008), (8064, 41120), (8224, 40320), (8960, 37008), (8995, 36864), (9216, 35980), (9252, 35840), (10080, 32896), (10240, 32382), (10280, 32256), (10752, 30840), (10794, 30720), (11520, 28784), (11565, 28672), (12288, 26985), (12336, 26880), (13440, 24672), (14336, 23130), (14392, 23040), (15360, 21588), (15420, 21504), (16128, 20560), (16191, 20480), (16448, 20160), (17920, 18504), (17990, 18432)]