661224960

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2609}}^1$

素因数の和:2649

約数の個数: 240

約数和(自身を含む): 2499148080

約数和(自身を除く): 1837923120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 256, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 512, 528, 576, 640, 660, 704, 720, 768, 792, 880, 960, 990, 1056, 1152, 1280, 1320, 1408, 1440, 1536, 1584, 1760, 1920, 1980, 2112, 2304, 2560, 2609, 2640, 2816, 2880, 3168, 3520, 3840, 3960, 4224, 4608, 5218, 5280, 5632, 5760, 6336, 7040, 7680, 7827, 7920, 8448, 10436, 10560, 11520, 12672, 13045, 14080, 15654, 15840, 16896, 20872, 21120, 23040, 23481, 25344, 26090, 28160, 28699, 31308, 31680, 39135, 41744, 42240, 46962, 50688, 52180, 57398, 62616, 63360, 78270, 83488, 84480, 86097, 93924, 104360, 114796, 117405, 125232, 126720, 143495, 156540, 166976, 172194, 187848, 208720, 229592, 234810, 250464, 253440, 258291, 286990, 313080, 333952, 344388, 375696, 417440, 430485, 459184, 469620, 500928, 516582, 573980, 626160, 667904, 688776, 751392, 834880, 860970, 918368, 939240, 1001856, 1033164, 1147960, 1252320, 1291455, 1335808, 1377552, 1502784, 1669760, 1721940, 1836736, 1878480, 2003712, 2066328, 2295920, 2504640, 2582910, 2755104, 3005568, 3339520, 3443880, 3673472, 3756960, 4007424, 4132656, 4591840, 5009280, 5165820, 5510208, 6011136, 6679040, 6887760, 7346944, 7513920, 8265312, 9183680, 10018560, 10331640, 11020416, 12022272, 13775520, 14693888, 15027840, 16530624, 18367360, 20037120, 20663280, 22040832, 27551040, 30055680, 33061248, 36734720, 41326560, 44081664, 55102080, 60111360, 66122496, 73469440, 82653120, 110204160, 132244992, 165306240, 220408320, 330612480, 661224960]

約数ペア:

[(1, 661224960), (2, 330612480), (3, 220408320), (4, 165306240), (5, 132244992), (6, 110204160), (8, 82653120), (9, 73469440), (10, 66122496), (11, 60111360), (12, 55102080), (15, 44081664), (16, 41326560), (18, 36734720), (20, 33061248), (22, 30055680), (24, 27551040), (30, 22040832), (32, 20663280), (33, 20037120), (36, 18367360), (40, 16530624), (44, 15027840), (45, 14693888), (48, 13775520), (55, 12022272), (60, 11020416), (64, 10331640), (66, 10018560), (72, 9183680), (80, 8265312), (88, 7513920), (90, 7346944), (96, 6887760), (99, 6679040), (110, 6011136), (120, 5510208), (128, 5165820), (132, 5009280), (144, 4591840), (160, 4132656), (165, 4007424), (176, 3756960), (180, 3673472), (192, 3443880), (198, 3339520), (220, 3005568), (240, 2755104), (256, 2582910), (264, 2504640), (288, 2295920), (320, 2066328), (330, 2003712), (352, 1878480), (360, 1836736), (384, 1721940), (396, 1669760), (440, 1502784), (480, 1377552), (495, 1335808), (512, 1291455), (528, 1252320), (576, 1147960), (640, 1033164), (660, 1001856), (704, 939240), (720, 918368), (768, 860970), (792, 834880), (880, 751392), (960, 688776), (990, 667904), (1056, 626160), (1152, 573980), (1280, 516582), (1320, 500928), (1408, 469620), (1440, 459184), (1536, 430485), (1584, 417440), (1760, 375696), (1920, 344388), (1980, 333952), (2112, 313080), (2304, 286990), (2560, 258291), (2609, 253440), (2640, 250464), (2816, 234810), (2880, 229592), (3168, 208720), (3520, 187848), (3840, 172194), (3960, 166976), (4224, 156540), (4608, 143495), (5218, 126720), (5280, 125232), (5632, 117405), (5760, 114796), (6336, 104360), (7040, 93924), (7680, 86097), (7827, 84480), (7920, 83488), (8448, 78270), (10436, 63360), (10560, 62616), (11520, 57398), (12672, 52180), (13045, 50688), (14080, 46962), (15654, 42240), (15840, 41744), (16896, 39135), (20872, 31680), (21120, 31308), (23040, 28699), (23481, 28160), (25344, 26090)]