1990376691408

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{12576943}}^1$

素因数の和:12577121

約数の個数: 120

約数和(自身を含む): 6406594658048

約数和(自身を除く): 4416217966640

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 157, 168, 252, 314, 336, 471, 504, 628, 942, 1008, 1099, 1256, 1413, 1884, 2198, 2512, 2826, 3297, 3768, 4396, 5652, 6594, 7536, 8792, 9891, 11304, 13188, 17584, 19782, 22608, 26376, 39564, 52752, 79128, 158256, 12576943, 25153886, 37730829, 50307772, 75461658, 88038601, 100615544, 113192487, 150923316, 176077202, 201231088, 226384974, 264115803, 301846632, 352154404, 452769948, 528231606, 603693264, 704308808, 792347409, 905539896, 1056463212, 1408617616, 1584694818, 1811079792, 1974580051, 2112926424, 3169389636, 3949160102, 4225852848, 5923740153, 6338779272, 7898320204, 11847480306, 12677558544, 13822060357, 15796640408, 17771220459, 23694960612, 27644120714, 31593280816, 35542440918, 41466181071, 47389921224, 55288241428, 71084881836, 82932362142, 94779842448, 110576482856, 124398543213, 142169763672, 165864724284, 221152965712, 248797086426, 284339527344, 331729448568, 497594172852, 663458897136, 995188345704, 1990376691408]

約数ペア:

[(1, 1990376691408), (2, 995188345704), (3, 663458897136), (4, 497594172852), (6, 331729448568), (7, 284339527344), (8, 248797086426), (9, 221152965712), (12, 165864724284), (14, 142169763672), (16, 124398543213), (18, 110576482856), (21, 94779842448), (24, 82932362142), (28, 71084881836), (36, 55288241428), (42, 47389921224), (48, 41466181071), (56, 35542440918), (63, 31593280816), (72, 27644120714), (84, 23694960612), (112, 17771220459), (126, 15796640408), (144, 13822060357), (157, 12677558544), (168, 11847480306), (252, 7898320204), (314, 6338779272), (336, 5923740153), (471, 4225852848), (504, 3949160102), (628, 3169389636), (942, 2112926424), (1008, 1974580051), (1099, 1811079792), (1256, 1584694818), (1413, 1408617616), (1884, 1056463212), (2198, 905539896), (2512, 792347409), (2826, 704308808), (3297, 603693264), (3768, 528231606), (4396, 452769948), (5652, 352154404), (6594, 301846632), (7536, 264115803), (8792, 226384974), (9891, 201231088), (11304, 176077202), (13188, 150923316), (17584, 113192487), (19782, 100615544), (22608, 88038601), (26376, 75461658), (39564, 50307772), (52752, 37730829), (79128, 25153886), (158256, 12576943)]