51208920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{2903}}^1$

素因数の和:2934

約数の個数: 144

約数和(自身を含む): 193667760

約数和(自身を除く): 142458840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2903, 2940, 3528, 4410, 5806, 5880, 8709, 8820, 11612, 14515, 17418, 17640, 20321, 23224, 26127, 29030, 34836, 40642, 43545, 52254, 58060, 60963, 69672, 81284, 87090, 101605, 104508, 116120, 121926, 130635, 142247, 162568, 174180, 182889, 203210, 209016, 243852, 261270, 284494, 304815, 348360, 365778, 406420, 426741, 487704, 522540, 568988, 609630, 711235, 731556, 812840, 853482, 914445, 1045080, 1137976, 1219260, 1280223, 1422470, 1463112, 1706964, 1828890, 2133705, 2438520, 2560446, 2844940, 3413928, 3657780, 4267410, 5120892, 5689880, 6401115, 7315560, 8534820, 10241784, 12802230, 17069640, 25604460, 51208920]

約数ペア:

[(1, 51208920), (2, 25604460), (3, 17069640), (4, 12802230), (5, 10241784), (6, 8534820), (7, 7315560), (8, 6401115), (9, 5689880), (10, 5120892), (12, 4267410), (14, 3657780), (15, 3413928), (18, 2844940), (20, 2560446), (21, 2438520), (24, 2133705), (28, 1828890), (30, 1706964), (35, 1463112), (36, 1422470), (40, 1280223), (42, 1219260), (45, 1137976), (49, 1045080), (56, 914445), (60, 853482), (63, 812840), (70, 731556), (72, 711235), (84, 609630), (90, 568988), (98, 522540), (105, 487704), (120, 426741), (126, 406420), (140, 365778), (147, 348360), (168, 304815), (180, 284494), (196, 261270), (210, 243852), (245, 209016), (252, 203210), (280, 182889), (294, 174180), (315, 162568), (360, 142247), (392, 130635), (420, 121926), (441, 116120), (490, 104508), (504, 101605), (588, 87090), (630, 81284), (735, 69672), (840, 60963), (882, 58060), (980, 52254), (1176, 43545), (1260, 40642), (1470, 34836), (1764, 29030), (1960, 26127), (2205, 23224), (2520, 20321), (2903, 17640), (2940, 17418), (3528, 14515), (4410, 11612), (5806, 8820), (5880, 8709)]