642816288

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{51907}}^1$

素因数の和:51966

約数の個数: 72

約数和(自身を含む): 1870556688

約数和(自身を除く): 1227740400

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 258, 288, 344, 387, 516, 688, 774, 1032, 1376, 1548, 2064, 3096, 4128, 6192, 12384, 51907, 103814, 155721, 207628, 311442, 415256, 467163, 622884, 830512, 934326, 1245768, 1661024, 1868652, 2232001, 2491536, 3737304, 4464002, 4983072, 6696003, 7474608, 8928004, 13392006, 14949216, 17856008, 20088009, 26784012, 35712016, 40176018, 53568024, 71424032, 80352036, 107136048, 160704072, 214272096, 321408144, 642816288]

約数ペア:

[(1, 642816288), (2, 321408144), (3, 214272096), (4, 160704072), (6, 107136048), (8, 80352036), (9, 71424032), (12, 53568024), (16, 40176018), (18, 35712016), (24, 26784012), (32, 20088009), (36, 17856008), (43, 14949216), (48, 13392006), (72, 8928004), (86, 7474608), (96, 6696003), (129, 4983072), (144, 4464002), (172, 3737304), (258, 2491536), (288, 2232001), (344, 1868652), (387, 1661024), (516, 1245768), (688, 934326), (774, 830512), (1032, 622884), (1376, 467163), (1548, 415256), (2064, 311442), (3096, 207628), (4128, 155721), (6192, 103814), (12384, 51907)]