640172160

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:317

約数の個数: 320

約数和(自身を含む): 2339302680

約数和(自身を除く): 1699130520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 53, 54, 60, 64, 72, 80, 81, 90, 96, 106, 108, 120, 128, 135, 144, 159, 160, 162, 180, 192, 212, 216, 233, 240, 265, 270, 288, 318, 320, 324, 360, 384, 405, 424, 432, 466, 477, 480, 530, 540, 576, 636, 640, 648, 699, 720, 795, 810, 848, 864, 932, 954, 960, 1060, 1080, 1152, 1165, 1272, 1296, 1398, 1431, 1440, 1590, 1620, 1696, 1728, 1864, 1908, 1920, 2097, 2120, 2160, 2330, 2385, 2544, 2592, 2796, 2862, 2880, 3180, 3240, 3392, 3456, 3495, 3728, 3816, 4194, 4240, 4293, 4320, 4660, 4770, 5088, 5184, 5592, 5724, 5760, 6291, 6360, 6480, 6784, 6990, 7155, 7456, 7632, 8388, 8480, 8586, 8640, 9320, 9540, 10176, 10368, 10485, 11184, 11448, 12349, 12582, 12720, 12960, 13980, 14310, 14912, 15264, 16776, 16960, 17172, 17280, 18640, 18873, 19080, 20352, 20970, 21465, 22368, 22896, 24698, 25164, 25440, 25920, 27960, 28620, 29824, 30528, 31455, 33552, 33920, 34344, 37047, 37280, 37746, 38160, 41940, 42930, 44736, 45792, 49396, 50328, 50880, 51840, 55920, 57240, 61056, 61745, 62910, 67104, 68688, 74094, 74560, 75492, 76320, 83880, 85860, 89472, 91584, 94365, 98792, 100656, 101760, 111141, 111840, 114480, 123490, 125820, 134208, 137376, 148188, 149120, 150984, 152640, 167760, 171720, 183168, 185235, 188730, 197584, 201312, 222282, 223680, 228960, 246980, 251640, 268416, 274752, 296376, 301968, 305280, 333423, 335520, 343440, 370470, 377460, 395168, 402624, 444564, 447360, 457920, 493960, 503280, 549504, 555705, 592752, 603936, 666846, 671040, 686880, 740940, 754920, 790336, 805248, 889128, 915840, 987920, 1000269, 1006560, 1111410, 1185504, 1207872, 1333692, 1342080, 1373760, 1481880, 1509840, 1580672, 1667115, 1778256, 1975840, 2000538, 2013120, 2222820, 2371008, 2415744, 2667384, 2747520, 2963760, 3019680, 3334230, 3556512, 3951680, 4001076, 4026240, 4445640, 4742016, 5001345, 5334768, 5927520, 6039360, 6668460, 7113024, 7903360, 8002152, 8891280, 10002690, 10669536, 11855040, 12078720, 13336920, 14226048, 16004304, 17782560, 20005380, 21339072, 23710080, 26673840, 32008608, 35565120, 40010760, 42678144, 53347680, 64017216, 71130240, 80021520, 106695360, 128034432, 160043040, 213390720, 320086080, 640172160]

約数ペア:

[(1, 640172160), (2, 320086080), (3, 213390720), (4, 160043040), (5, 128034432), (6, 106695360), (8, 80021520), (9, 71130240), (10, 64017216), (12, 53347680), (15, 42678144), (16, 40010760), (18, 35565120), (20, 32008608), (24, 26673840), (27, 23710080), (30, 21339072), (32, 20005380), (36, 17782560), (40, 16004304), (45, 14226048), (48, 13336920), (53, 12078720), (54, 11855040), (60, 10669536), (64, 10002690), (72, 8891280), (80, 8002152), (81, 7903360), (90, 7113024), (96, 6668460), (106, 6039360), (108, 5927520), (120, 5334768), (128, 5001345), (135, 4742016), (144, 4445640), (159, 4026240), (160, 4001076), (162, 3951680), (180, 3556512), (192, 3334230), (212, 3019680), (216, 2963760), (233, 2747520), (240, 2667384), (265, 2415744), (270, 2371008), (288, 2222820), (318, 2013120), (320, 2000538), (324, 1975840), (360, 1778256), (384, 1667115), (405, 1580672), (424, 1509840), (432, 1481880), (466, 1373760), (477, 1342080), (480, 1333692), (530, 1207872), (540, 1185504), (576, 1111410), (636, 1006560), (640, 1000269), (648, 987920), (699, 915840), (720, 889128), (795, 805248), (810, 790336), (848, 754920), (864, 740940), (932, 686880), (954, 671040), (960, 666846), (1060, 603936), (1080, 592752), (1152, 555705), (1165, 549504), (1272, 503280), (1296, 493960), (1398, 457920), (1431, 447360), (1440, 444564), (1590, 402624), (1620, 395168), (1696, 377460), (1728, 370470), (1864, 343440), (1908, 335520), (1920, 333423), (2097, 305280), (2120, 301968), (2160, 296376), (2330, 274752), (2385, 268416), (2544, 251640), (2592, 246980), (2796, 228960), (2862, 223680), (2880, 222282), (3180, 201312), (3240, 197584), (3392, 188730), (3456, 185235), (3495, 183168), (3728, 171720), (3816, 167760), (4194, 152640), (4240, 150984), (4293, 149120), (4320, 148188), (4660, 137376), (4770, 134208), (5088, 125820), (5184, 123490), (5592, 114480), (5724, 111840), (5760, 111141), (6291, 101760), (6360, 100656), (6480, 98792), (6784, 94365), (6990, 91584), (7155, 89472), (7456, 85860), (7632, 83880), (8388, 76320), (8480, 75492), (8586, 74560), (8640, 74094), (9320, 68688), (9540, 67104), (10176, 62910), (10368, 61745), (10485, 61056), (11184, 57240), (11448, 55920), (12349, 51840), (12582, 50880), (12720, 50328), (12960, 49396), (13980, 45792), (14310, 44736), (14912, 42930), (15264, 41940), (16776, 38160), (16960, 37746), (17172, 37280), (17280, 37047), (18640, 34344), (18873, 33920), (19080, 33552), (20352, 31455), (20970, 30528), (21465, 29824), (22368, 28620), (22896, 27960), (24698, 25920), (25164, 25440)]