68278560

素因数分解:

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

素因数の和:2935

約数の個数: 144

約数和(自身を含む): 250278336

約数和(自身を除く): 181999776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2903, 2940, 3360, 3920, 4704, 5806, 5880, 7840, 8709, 11612, 11760, 14515, 17418, 20321, 23224, 23520, 29030, 34836, 40642, 43545, 46448, 58060, 60963, 69672, 81284, 87090, 92896, 101605, 116120, 121926, 139344, 142247, 162568, 174180, 203210, 232240, 243852, 278688, 284494, 304815, 325136, 348360, 406420, 426741, 464480, 487704, 568988, 609630, 650272, 696720, 711235, 812840, 853482, 975408, 1137976, 1219260, 1393440, 1422470, 1625680, 1706964, 1950816, 2133705, 2275952, 2438520, 2844940, 3251360, 3413928, 4267410, 4551904, 4877040, 5689880, 6827856, 8534820, 9754080, 11379760, 13655712, 17069640, 22759520, 34139280, 68278560]

約数ペア:

[(1, 68278560), (2, 34139280), (3, 22759520), (4, 17069640), (5, 13655712), (6, 11379760), (7, 9754080), (8, 8534820), (10, 6827856), (12, 5689880), (14, 4877040), (15, 4551904), (16, 4267410), (20, 3413928), (21, 3251360), (24, 2844940), (28, 2438520), (30, 2275952), (32, 2133705), (35, 1950816), (40, 1706964), (42, 1625680), (48, 1422470), (49, 1393440), (56, 1219260), (60, 1137976), (70, 975408), (80, 853482), (84, 812840), (96, 711235), (98, 696720), (105, 650272), (112, 609630), (120, 568988), (140, 487704), (147, 464480), (160, 426741), (168, 406420), (196, 348360), (210, 325136), (224, 304815), (240, 284494), (245, 278688), (280, 243852), (294, 232240), (336, 203210), (392, 174180), (420, 162568), (480, 142247), (490, 139344), (560, 121926), (588, 116120), (672, 101605), (735, 92896), (784, 87090), (840, 81284), (980, 69672), (1120, 60963), (1176, 58060), (1470, 46448), (1568, 43545), (1680, 40642), (1960, 34836), (2352, 29030), (2903, 23520), (2940, 23224), (3360, 20321), (3920, 17418), (4704, 14515), (5806, 11760), (5880, 11612), (7840, 8709)]