1387403760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{186479}}^1$

素因数の和:186526

約数の個数: 80

約数和(自身を含む): 4439715840

約数和(自身を除く): 3052312080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 186479, 372958, 559437, 745916, 932395, 1118874, 1491832, 1864790, 2237748, 2797185, 2983664, 3729580, 4475496, 5594370, 5780849, 7459160, 8950992, 11188740, 11561698, 14918320, 17342547, 22377480, 23123396, 28904245, 34685094, 44754960, 46246792, 57808490, 69370188, 86712735, 92493584, 115616980, 138740376, 173425470, 231233960, 277480752, 346850940, 462467920, 693701880, 1387403760]

約数ペア:

[(1, 1387403760), (2, 693701880), (3, 462467920), (4, 346850940), (5, 277480752), (6, 231233960), (8, 173425470), (10, 138740376), (12, 115616980), (15, 92493584), (16, 86712735), (20, 69370188), (24, 57808490), (30, 46246792), (31, 44754960), (40, 34685094), (48, 28904245), (60, 23123396), (62, 22377480), (80, 17342547), (93, 14918320), (120, 11561698), (124, 11188740), (155, 8950992), (186, 7459160), (240, 5780849), (248, 5594370), (310, 4475496), (372, 3729580), (465, 2983664), (496, 2797185), (620, 2237748), (744, 1864790), (930, 1491832), (1240, 1118874), (1488, 932395), (1860, 745916), (2480, 559437), (3720, 372958), (7440, 186479)]