128818260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{715657}}^1$

素因数の和:715672

約数の個数: 36

約数和(自身を含む): 390749268

約数和(自身を除く): 261931008

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 715657, 1431314, 2146971, 2862628, 3578285, 4293942, 6440913, 7156570, 8587884, 10734855, 12881826, 14313140, 21469710, 25763652, 32204565, 42939420, 64409130, 128818260]

約数ペア:

[(1, 128818260), (2, 64409130), (3, 42939420), (4, 32204565), (5, 25763652), (6, 21469710), (9, 14313140), (10, 12881826), (12, 10734855), (15, 8587884), (18, 7156570), (20, 6440913), (30, 4293942), (36, 3578285), (45, 2862628), (60, 2146971), (90, 1431314), (180, 715657)]