720628480

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:203

約数の個数: 288

約数和(自身を含む): 2109800448

約数和(自身を除く): 1389171968

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 40, 44, 52, 55, 62, 64, 65, 80, 88, 104, 110, 124, 127, 128, 130, 143, 155, 160, 176, 208, 220, 248, 254, 256, 260, 286, 310, 320, 341, 352, 403, 416, 440, 496, 508, 520, 572, 620, 635, 640, 682, 704, 715, 806, 832, 880, 992, 1016, 1040, 1144, 1240, 1270, 1280, 1364, 1397, 1408, 1430, 1612, 1651, 1664, 1705, 1760, 1984, 2015, 2032, 2080, 2288, 2480, 2540, 2728, 2794, 2816, 2860, 3224, 3302, 3328, 3410, 3520, 3937, 3968, 4030, 4064, 4160, 4433, 4576, 4960, 5080, 5456, 5588, 5720, 6448, 6604, 6820, 6985, 7040, 7874, 7936, 8060, 8128, 8255, 8320, 8866, 9152, 9920, 10160, 10912, 11176, 11440, 12896, 13208, 13640, 13970, 14080, 15748, 16120, 16256, 16510, 16640, 17732, 18161, 18304, 19685, 19840, 20320, 21824, 22165, 22352, 22880, 25792, 26416, 27280, 27940, 31496, 32240, 32512, 33020, 35464, 36322, 36608, 39370, 39680, 40640, 43307, 43648, 44330, 44704, 45760, 51181, 51584, 52832, 54560, 55880, 62992, 64480, 66040, 70928, 72644, 78740, 81280, 86614, 87296, 88660, 89408, 90805, 91520, 102362, 103168, 105664, 109120, 111760, 125984, 128960, 132080, 141856, 145288, 157480, 162560, 173228, 177320, 178816, 181610, 183040, 204724, 211328, 216535, 218240, 223520, 251968, 255905, 257920, 264160, 283712, 290576, 314960, 346456, 354640, 357632, 363220, 409448, 422656, 433070, 436480, 447040, 503936, 511810, 515840, 528320, 562991, 567424, 581152, 629920, 692912, 709280, 726440, 818896, 866140, 894080, 1007872, 1023620, 1056640, 1125982, 1134848, 1162304, 1259840, 1385824, 1418560, 1452880, 1637792, 1732280, 1788160, 2047240, 2113280, 2251964, 2324608, 2519680, 2771648, 2814955, 2837120, 2905760, 3275584, 3464560, 4094480, 4503928, 4649216, 5039360, 5543296, 5629910, 5674240, 5811520, 6551168, 6929120, 8188960, 9007856, 11086592, 11259820, 11623040, 13102336, 13858240, 16377920, 18015712, 22519640, 23246080, 27716480, 32755840, 36031424, 45039280, 55432960, 65511680, 72062848, 90078560, 144125696, 180157120, 360314240, 720628480]

約数ペア:

[(1, 720628480), (2, 360314240), (4, 180157120), (5, 144125696), (8, 90078560), (10, 72062848), (11, 65511680), (13, 55432960), (16, 45039280), (20, 36031424), (22, 32755840), (26, 27716480), (31, 23246080), (32, 22519640), (40, 18015712), (44, 16377920), (52, 13858240), (55, 13102336), (62, 11623040), (64, 11259820), (65, 11086592), (80, 9007856), (88, 8188960), (104, 6929120), (110, 6551168), (124, 5811520), (127, 5674240), (128, 5629910), (130, 5543296), (143, 5039360), (155, 4649216), (160, 4503928), (176, 4094480), (208, 3464560), (220, 3275584), (248, 2905760), (254, 2837120), (256, 2814955), (260, 2771648), (286, 2519680), (310, 2324608), (320, 2251964), (341, 2113280), (352, 2047240), (403, 1788160), (416, 1732280), (440, 1637792), (496, 1452880), (508, 1418560), (520, 1385824), (572, 1259840), (620, 1162304), (635, 1134848), (640, 1125982), (682, 1056640), (704, 1023620), (715, 1007872), (806, 894080), (832, 866140), (880, 818896), (992, 726440), (1016, 709280), (1040, 692912), (1144, 629920), (1240, 581152), (1270, 567424), (1280, 562991), (1364, 528320), (1397, 515840), (1408, 511810), (1430, 503936), (1612, 447040), (1651, 436480), (1664, 433070), (1705, 422656), (1760, 409448), (1984, 363220), (2015, 357632), (2032, 354640), (2080, 346456), (2288, 314960), (2480, 290576), (2540, 283712), (2728, 264160), (2794, 257920), (2816, 255905), (2860, 251968), (3224, 223520), (3302, 218240), (3328, 216535), (3410, 211328), (3520, 204724), (3937, 183040), (3968, 181610), (4030, 178816), (4064, 177320), (4160, 173228), (4433, 162560), (4576, 157480), (4960, 145288), (5080, 141856), (5456, 132080), (5588, 128960), (5720, 125984), (6448, 111760), (6604, 109120), (6820, 105664), (6985, 103168), (7040, 102362), (7874, 91520), (7936, 90805), (8060, 89408), (8128, 88660), (8255, 87296), (8320, 86614), (8866, 81280), (9152, 78740), (9920, 72644), (10160, 70928), (10912, 66040), (11176, 64480), (11440, 62992), (12896, 55880), (13208, 54560), (13640, 52832), (13970, 51584), (14080, 51181), (15748, 45760), (16120, 44704), (16256, 44330), (16510, 43648), (16640, 43307), (17732, 40640), (18161, 39680), (18304, 39370), (19685, 36608), (19840, 36322), (20320, 35464), (21824, 33020), (22165, 32512), (22352, 32240), (22880, 31496), (25792, 27940), (26416, 27280)]