251540640

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1493}}^1$

素因数の和:1533

約数の個数: 240

約数和(自身を含む): 956656008

約数和(自身を除く): 705115368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 432, 468, 480, 520, 540, 585, 624, 648, 702, 720, 780, 810, 864, 936, 1040, 1053, 1080, 1170, 1248, 1296, 1404, 1440, 1493, 1560, 1620, 1755, 1872, 2080, 2106, 2160, 2340, 2592, 2808, 2986, 3120, 3240, 3510, 3744, 4212, 4320, 4479, 4680, 5265, 5616, 5972, 6240, 6480, 7020, 7465, 8424, 8958, 9360, 10530, 11232, 11944, 12960, 13437, 14040, 14930, 16848, 17916, 18720, 19409, 21060, 22395, 23888, 26874, 28080, 29860, 33696, 35832, 38818, 40311, 42120, 44790, 47776, 53748, 56160, 58227, 59720, 67185, 71664, 77636, 80622, 84240, 89580, 97045, 107496, 116454, 119440, 120933, 134370, 143328, 155272, 161244, 168480, 174681, 179160, 194090, 201555, 214992, 232908, 238880, 241866, 268740, 291135, 310544, 322488, 349362, 358320, 388180, 403110, 429984, 465816, 483732, 524043, 537480, 582270, 604665, 621088, 644976, 698724, 716640, 776360, 806220, 873405, 931632, 967464, 1048086, 1074960, 1164540, 1209330, 1289952, 1397448, 1552720, 1572129, 1612440, 1746810, 1863264, 1934928, 2096172, 2149920, 2329080, 2418660, 2620215, 2794896, 3105440, 3144258, 3224880, 3493620, 3869856, 4192344, 4658160, 4837320, 5240430, 5589792, 6288516, 6449760, 6987240, 7860645, 8384688, 9316320, 9674640, 10480860, 12577032, 13974480, 15721290, 16769376, 19349280, 20961720, 25154064, 27948960, 31442580, 41923440, 50308128, 62885160, 83846880, 125770320, 251540640]

約数ペア:

[(1, 251540640), (2, 125770320), (3, 83846880), (4, 62885160), (5, 50308128), (6, 41923440), (8, 31442580), (9, 27948960), (10, 25154064), (12, 20961720), (13, 19349280), (15, 16769376), (16, 15721290), (18, 13974480), (20, 12577032), (24, 10480860), (26, 9674640), (27, 9316320), (30, 8384688), (32, 7860645), (36, 6987240), (39, 6449760), (40, 6288516), (45, 5589792), (48, 5240430), (52, 4837320), (54, 4658160), (60, 4192344), (65, 3869856), (72, 3493620), (78, 3224880), (80, 3144258), (81, 3105440), (90, 2794896), (96, 2620215), (104, 2418660), (108, 2329080), (117, 2149920), (120, 2096172), (130, 1934928), (135, 1863264), (144, 1746810), (156, 1612440), (160, 1572129), (162, 1552720), (180, 1397448), (195, 1289952), (208, 1209330), (216, 1164540), (234, 1074960), (240, 1048086), (260, 967464), (270, 931632), (288, 873405), (312, 806220), (324, 776360), (351, 716640), (360, 698724), (390, 644976), (405, 621088), (416, 604665), (432, 582270), (468, 537480), (480, 524043), (520, 483732), (540, 465816), (585, 429984), (624, 403110), (648, 388180), (702, 358320), (720, 349362), (780, 322488), (810, 310544), (864, 291135), (936, 268740), (1040, 241866), (1053, 238880), (1080, 232908), (1170, 214992), (1248, 201555), (1296, 194090), (1404, 179160), (1440, 174681), (1493, 168480), (1560, 161244), (1620, 155272), (1755, 143328), (1872, 134370), (2080, 120933), (2106, 119440), (2160, 116454), (2340, 107496), (2592, 97045), (2808, 89580), (2986, 84240), (3120, 80622), (3240, 77636), (3510, 71664), (3744, 67185), (4212, 59720), (4320, 58227), (4479, 56160), (4680, 53748), (5265, 47776), (5616, 44790), (5972, 42120), (6240, 40311), (6480, 38818), (7020, 35832), (7465, 33696), (8424, 29860), (8958, 28080), (9360, 26874), (10530, 23888), (11232, 22395), (11944, 21060), (12960, 19409), (13437, 18720), (14040, 17916), (14930, 16848)]