29128120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4523}}^1$

素因数の和:4564

約数の個数: 64

約数和(自身を含む): 78174720

約数和(自身を除く): 49046600

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, 4523, 6440, 9046, 18092, 22615, 31661, 36184, 45230, 63322, 90460, 104029, 126644, 158305, 180920, 208058, 253288, 316610, 416116, 520145, 633220, 728203, 832232, 1040290, 1266440, 1456406, 2080580, 2912812, 3641015, 4161160, 5825624, 7282030, 14564060, 29128120]

約数ペア:

[(1, 29128120), (2, 14564060), (4, 7282030), (5, 5825624), (7, 4161160), (8, 3641015), (10, 2912812), (14, 2080580), (20, 1456406), (23, 1266440), (28, 1040290), (35, 832232), (40, 728203), (46, 633220), (56, 520145), (70, 416116), (92, 316610), (115, 253288), (140, 208058), (161, 180920), (184, 158305), (230, 126644), (280, 104029), (322, 90460), (460, 63322), (644, 45230), (805, 36184), (920, 31661), (1288, 22615), (1610, 18092), (3220, 9046), (4523, 6440)]