1561812480

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1279}}^1$

素因数の和:1361

約数の個数: 240

約数和(自身を含む): 5515361280

約数和(自身を除く): 3953548800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 106, 120, 128, 144, 159, 160, 180, 192, 212, 240, 256, 265, 288, 318, 320, 360, 384, 424, 477, 480, 512, 530, 576, 636, 640, 720, 768, 795, 848, 954, 960, 1060, 1152, 1272, 1279, 1280, 1440, 1536, 1590, 1696, 1908, 1920, 2120, 2304, 2385, 2544, 2558, 2560, 2880, 3180, 3392, 3816, 3837, 3840, 4240, 4608, 4770, 5088, 5116, 5760, 6360, 6395, 6784, 7632, 7674, 7680, 8480, 9540, 10176, 10232, 11511, 11520, 12720, 12790, 13568, 15264, 15348, 16960, 19080, 19185, 20352, 20464, 23022, 23040, 25440, 25580, 27136, 30528, 30696, 33920, 38160, 38370, 40704, 40928, 46044, 50880, 51160, 57555, 61056, 61392, 67787, 67840, 76320, 76740, 81408, 81856, 92088, 101760, 102320, 115110, 122112, 122784, 135574, 135680, 152640, 153480, 163712, 184176, 203361, 203520, 204640, 230220, 244224, 245568, 271148, 305280, 306960, 327424, 338935, 368352, 406722, 407040, 409280, 460440, 491136, 542296, 610083, 610560, 613920, 654848, 677870, 736704, 813444, 818560, 920880, 982272, 1016805, 1084592, 1220166, 1221120, 1227840, 1355740, 1473408, 1626888, 1637120, 1841760, 1964544, 2033610, 2169184, 2440332, 2455680, 2711480, 2946816, 3050415, 3253776, 3274240, 3683520, 4067220, 4338368, 4880664, 4911360, 5422960, 5893632, 6100830, 6507552, 7367040, 8134440, 8676736, 9761328, 9822720, 10845920, 12201660, 13015104, 14734080, 16268880, 17353472, 19522656, 21691840, 24403320, 26030208, 29468160, 32537760, 34706944, 39045312, 43383680, 48806640, 52060416, 65075520, 78090624, 86767360, 97613280, 104120832, 130151040, 156181248, 173534720, 195226560, 260302080, 312362496, 390453120, 520604160, 780906240, 1561812480]

約数ペア:

[(1, 1561812480), (2, 780906240), (3, 520604160), (4, 390453120), (5, 312362496), (6, 260302080), (8, 195226560), (9, 173534720), (10, 156181248), (12, 130151040), (15, 104120832), (16, 97613280), (18, 86767360), (20, 78090624), (24, 65075520), (30, 52060416), (32, 48806640), (36, 43383680), (40, 39045312), (45, 34706944), (48, 32537760), (53, 29468160), (60, 26030208), (64, 24403320), (72, 21691840), (80, 19522656), (90, 17353472), (96, 16268880), (106, 14734080), (120, 13015104), (128, 12201660), (144, 10845920), (159, 9822720), (160, 9761328), (180, 8676736), (192, 8134440), (212, 7367040), (240, 6507552), (256, 6100830), (265, 5893632), (288, 5422960), (318, 4911360), (320, 4880664), (360, 4338368), (384, 4067220), (424, 3683520), (477, 3274240), (480, 3253776), (512, 3050415), (530, 2946816), (576, 2711480), (636, 2455680), (640, 2440332), (720, 2169184), (768, 2033610), (795, 1964544), (848, 1841760), (954, 1637120), (960, 1626888), (1060, 1473408), (1152, 1355740), (1272, 1227840), (1279, 1221120), (1280, 1220166), (1440, 1084592), (1536, 1016805), (1590, 982272), (1696, 920880), (1908, 818560), (1920, 813444), (2120, 736704), (2304, 677870), (2385, 654848), (2544, 613920), (2558, 610560), (2560, 610083), (2880, 542296), (3180, 491136), (3392, 460440), (3816, 409280), (3837, 407040), (3840, 406722), (4240, 368352), (4608, 338935), (4770, 327424), (5088, 306960), (5116, 305280), (5760, 271148), (6360, 245568), (6395, 244224), (6784, 230220), (7632, 204640), (7674, 203520), (7680, 203361), (8480, 184176), (9540, 163712), (10176, 153480), (10232, 152640), (11511, 135680), (11520, 135574), (12720, 122784), (12790, 122112), (13568, 115110), (15264, 102320), (15348, 101760), (16960, 92088), (19080, 81856), (19185, 81408), (20352, 76740), (20464, 76320), (23022, 67840), (23040, 67787), (25440, 61392), (25580, 61056), (27136, 57555), (30528, 51160), (30696, 50880), (33920, 46044), (38160, 40928), (38370, 40704)]