664518960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{131849}}^1$

素因数の和:131875

約数の個数: 120

約数和(自身を含む): 2550506400

約数和(自身を除く): 1885987440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 131849, 263698, 395547, 527396, 659245, 791094, 922943, 1054792, 1186641, 1318490, 1582188, 1845886, 1977735, 2109584, 2373282, 2636980, 2768829, 3164376, 3691772, 3955470, 4614715, 4746564, 5273960, 5537658, 5933205, 6328752, 7383544, 7910940, 8306487, 9229430, 9493128, 10547920, 11075316, 11866410, 13844145, 14767088, 15821880, 16612974, 18458860, 18986256, 22150632, 23732820, 27688290, 31643760, 33225948, 36917720, 41532435, 44301264, 47465640, 55376580, 66451896, 73835440, 83064870, 94931280, 110753160, 132903792, 166129740, 221506320, 332259480, 664518960]

約数ペア:

[(1, 664518960), (2, 332259480), (3, 221506320), (4, 166129740), (5, 132903792), (6, 110753160), (7, 94931280), (8, 83064870), (9, 73835440), (10, 66451896), (12, 55376580), (14, 47465640), (15, 44301264), (16, 41532435), (18, 36917720), (20, 33225948), (21, 31643760), (24, 27688290), (28, 23732820), (30, 22150632), (35, 18986256), (36, 18458860), (40, 16612974), (42, 15821880), (45, 14767088), (48, 13844145), (56, 11866410), (60, 11075316), (63, 10547920), (70, 9493128), (72, 9229430), (80, 8306487), (84, 7910940), (90, 7383544), (105, 6328752), (112, 5933205), (120, 5537658), (126, 5273960), (140, 4746564), (144, 4614715), (168, 3955470), (180, 3691772), (210, 3164376), (240, 2768829), (252, 2636980), (280, 2373282), (315, 2109584), (336, 1977735), (360, 1845886), (420, 1582188), (504, 1318490), (560, 1186641), (630, 1054792), (720, 922943), (840, 791094), (1008, 659245), (1260, 527396), (1680, 395547), (2520, 263698), (5040, 131849)]