128880752

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{619}}^1$

素因数の和:671

約数の個数: 120

約数和(自身を含む): 337656960

約数和(自身を除く): 208776208

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 169, 176, 182, 208, 286, 308, 338, 364, 572, 616, 619, 676, 728, 1001, 1144, 1183, 1232, 1238, 1352, 1456, 1859, 2002, 2288, 2366, 2476, 2704, 3718, 4004, 4333, 4732, 4952, 6809, 7436, 8008, 8047, 8666, 9464, 9904, 13013, 13618, 14872, 16016, 16094, 17332, 18928, 26026, 27236, 29744, 32188, 34664, 47663, 52052, 54472, 56329, 64376, 69328, 88517, 95326, 104104, 104611, 108944, 112658, 128752, 177034, 190652, 208208, 209222, 225316, 354068, 381304, 418444, 450632, 619619, 708136, 732277, 762608, 836888, 901264, 1150721, 1239238, 1416272, 1464554, 1673776, 2301442, 2478476, 2929108, 4602884, 4956952, 5858216, 8055047, 9205768, 9913904, 11716432, 16110094, 18411536, 32220188, 64440376, 128880752]

約数ペア:

[(1, 128880752), (2, 64440376), (4, 32220188), (7, 18411536), (8, 16110094), (11, 11716432), (13, 9913904), (14, 9205768), (16, 8055047), (22, 5858216), (26, 4956952), (28, 4602884), (44, 2929108), (52, 2478476), (56, 2301442), (77, 1673776), (88, 1464554), (91, 1416272), (104, 1239238), (112, 1150721), (143, 901264), (154, 836888), (169, 762608), (176, 732277), (182, 708136), (208, 619619), (286, 450632), (308, 418444), (338, 381304), (364, 354068), (572, 225316), (616, 209222), (619, 208208), (676, 190652), (728, 177034), (1001, 128752), (1144, 112658), (1183, 108944), (1232, 104611), (1238, 104104), (1352, 95326), (1456, 88517), (1859, 69328), (2002, 64376), (2288, 56329), (2366, 54472), (2476, 52052), (2704, 47663), (3718, 34664), (4004, 32188), (4333, 29744), (4732, 27236), (4952, 26026), (6809, 18928), (7436, 17332), (8008, 16094), (8047, 16016), (8666, 14872), (9464, 13618), (9904, 13013)]