1220705280

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:539

約数の個数: 264

約数和(自身を含む): 4310982000

約数和(自身を除く): 3090276720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 64, 72, 80, 90, 96, 118, 120, 128, 144, 160, 177, 180, 192, 236, 240, 256, 288, 295, 320, 354, 360, 384, 449, 472, 480, 512, 531, 576, 590, 640, 708, 720, 768, 885, 898, 944, 960, 1024, 1062, 1152, 1180, 1280, 1347, 1416, 1440, 1536, 1770, 1796, 1888, 1920, 2124, 2245, 2304, 2360, 2560, 2655, 2694, 2832, 2880, 3072, 3540, 3592, 3776, 3840, 4041, 4248, 4490, 4608, 4720, 5120, 5310, 5388, 5664, 5760, 6735, 7080, 7184, 7552, 7680, 8082, 8496, 8980, 9216, 9440, 10620, 10776, 11328, 11520, 13470, 14160, 14368, 15104, 15360, 16164, 16992, 17960, 18880, 20205, 21240, 21552, 22656, 23040, 26491, 26940, 28320, 28736, 30208, 32328, 33984, 35920, 37760, 40410, 42480, 43104, 45312, 46080, 52982, 53880, 56640, 57472, 60416, 64656, 67968, 71840, 75520, 79473, 80820, 84960, 86208, 90624, 105964, 107760, 113280, 114944, 129312, 132455, 135936, 143680, 151040, 158946, 161640, 169920, 172416, 181248, 211928, 215520, 226560, 229888, 238419, 258624, 264910, 271872, 287360, 302080, 317892, 323280, 339840, 344832, 397365, 423856, 431040, 453120, 459776, 476838, 517248, 529820, 543744, 574720, 635784, 646560, 679680, 689664, 794730, 847712, 862080, 906240, 953676, 1034496, 1059640, 1149440, 1192095, 1271568, 1293120, 1359360, 1379328, 1589460, 1695424, 1724160, 1907352, 2068992, 2119280, 2298880, 2384190, 2543136, 2586240, 2718720, 3178920, 3390848, 3448320, 3814704, 4137984, 4238560, 4768380, 5086272, 5172480, 6357840, 6781696, 6896640, 7629408, 8477120, 9536760, 10172544, 10344960, 12715680, 13563392, 15258816, 16954240, 19073520, 20345088, 20689920, 25431360, 27126784, 30517632, 33908480, 38147040, 40690176, 50862720, 61035264, 67816960, 76294080, 81380352, 101725440, 122070528, 135633920, 152588160, 203450880, 244141056, 305176320, 406901760, 610352640, 1220705280]

約数ペア:

[(1, 1220705280), (2, 610352640), (3, 406901760), (4, 305176320), (5, 244141056), (6, 203450880), (8, 152588160), (9, 135633920), (10, 122070528), (12, 101725440), (15, 81380352), (16, 76294080), (18, 67816960), (20, 61035264), (24, 50862720), (30, 40690176), (32, 38147040), (36, 33908480), (40, 30517632), (45, 27126784), (48, 25431360), (59, 20689920), (60, 20345088), (64, 19073520), (72, 16954240), (80, 15258816), (90, 13563392), (96, 12715680), (118, 10344960), (120, 10172544), (128, 9536760), (144, 8477120), (160, 7629408), (177, 6896640), (180, 6781696), (192, 6357840), (236, 5172480), (240, 5086272), (256, 4768380), (288, 4238560), (295, 4137984), (320, 3814704), (354, 3448320), (360, 3390848), (384, 3178920), (449, 2718720), (472, 2586240), (480, 2543136), (512, 2384190), (531, 2298880), (576, 2119280), (590, 2068992), (640, 1907352), (708, 1724160), (720, 1695424), (768, 1589460), (885, 1379328), (898, 1359360), (944, 1293120), (960, 1271568), (1024, 1192095), (1062, 1149440), (1152, 1059640), (1180, 1034496), (1280, 953676), (1347, 906240), (1416, 862080), (1440, 847712), (1536, 794730), (1770, 689664), (1796, 679680), (1888, 646560), (1920, 635784), (2124, 574720), (2245, 543744), (2304, 529820), (2360, 517248), (2560, 476838), (2655, 459776), (2694, 453120), (2832, 431040), (2880, 423856), (3072, 397365), (3540, 344832), (3592, 339840), (3776, 323280), (3840, 317892), (4041, 302080), (4248, 287360), (4490, 271872), (4608, 264910), (4720, 258624), (5120, 238419), (5310, 229888), (5388, 226560), (5664, 215520), (5760, 211928), (6735, 181248), (7080, 172416), (7184, 169920), (7552, 161640), (7680, 158946), (8082, 151040), (8496, 143680), (8980, 135936), (9216, 132455), (9440, 129312), (10620, 114944), (10776, 113280), (11328, 107760), (11520, 105964), (13470, 90624), (14160, 86208), (14368, 84960), (15104, 80820), (15360, 79473), (16164, 75520), (16992, 71840), (17960, 67968), (18880, 64656), (20205, 60416), (21240, 57472), (21552, 56640), (22656, 53880), (23040, 52982), (26491, 46080), (26940, 45312), (28320, 43104), (28736, 42480), (30208, 40410), (32328, 37760), (33984, 35920)]