81533988

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1669}}^1$

素因数の和:1761

約数の個数: 72

約数和(自身を含む): 218836800

約数和(自身を除く): 137302812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 59, 69, 92, 118, 138, 177, 207, 236, 276, 354, 414, 531, 708, 828, 1062, 1357, 1669, 2124, 2714, 3338, 4071, 5007, 5428, 6676, 8142, 10014, 12213, 15021, 16284, 20028, 24426, 30042, 38387, 48852, 60084, 76774, 98471, 115161, 153548, 196942, 230322, 295413, 345483, 393884, 460644, 590826, 690966, 886239, 1181652, 1381932, 1772478, 2264833, 3544956, 4529666, 6794499, 9059332, 13588998, 20383497, 27177996, 40766994, 81533988]

約数ペア:

[(1, 81533988), (2, 40766994), (3, 27177996), (4, 20383497), (6, 13588998), (9, 9059332), (12, 6794499), (18, 4529666), (23, 3544956), (36, 2264833), (46, 1772478), (59, 1381932), (69, 1181652), (92, 886239), (118, 690966), (138, 590826), (177, 460644), (207, 393884), (236, 345483), (276, 295413), (354, 230322), (414, 196942), (531, 153548), (708, 115161), (828, 98471), (1062, 76774), (1357, 60084), (1669, 48852), (2124, 38387), (2714, 30042), (3338, 24426), (4071, 20028), (5007, 16284), (5428, 15021), (6676, 12213), (8142, 10014)]