164033240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25471}}^1$

素因数の和:25512

約数の個数: 64

約数和(自身を含む): 440156160

約数和(自身を除く): 276122920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 25471, 50942, 101884, 127355, 178297, 203768, 254710, 356594, 509420, 585833, 713188, 891485, 1018840, 1171666, 1426376, 1782970, 2343332, 2929165, 3565940, 4100831, 4686664, 5858330, 7131880, 8201662, 11716660, 16403324, 20504155, 23433320, 32806648, 41008310, 82016620, 164033240]

約数ペア:

[(1, 164033240), (2, 82016620), (4, 41008310), (5, 32806648), (7, 23433320), (8, 20504155), (10, 16403324), (14, 11716660), (20, 8201662), (23, 7131880), (28, 5858330), (35, 4686664), (40, 4100831), (46, 3565940), (56, 2929165), (70, 2343332), (92, 1782970), (115, 1426376), (140, 1171666), (161, 1018840), (184, 891485), (230, 713188), (280, 585833), (322, 509420), (460, 356594), (644, 254710), (805, 203768), (920, 178297), (1288, 127355), (1610, 101884), (3220, 50942), (6440, 25471)]