128260656

素因数分解:

$2^4\times 3^2\times {\mathrm{691}}^1\times {\mathrm{1289}}^1$

素因数の和:1994

約数の個数: 60

約数和(自身を含む): 359750040

約数和(自身を除く): 231489384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 691, 1289, 1382, 2073, 2578, 2764, 3867, 4146, 5156, 5528, 6219, 7734, 8292, 10312, 11056, 11601, 12438, 15468, 16584, 20624, 23202, 24876, 30936, 33168, 46404, 49752, 61872, 92808, 99504, 185616, 890699, 1781398, 2672097, 3562796, 5344194, 7125592, 8016291, 10688388, 14251184, 16032582, 21376776, 32065164, 42753552, 64130328, 128260656]

約数ペア:

[(1, 128260656), (2, 64130328), (3, 42753552), (4, 32065164), (6, 21376776), (8, 16032582), (9, 14251184), (12, 10688388), (16, 8016291), (18, 7125592), (24, 5344194), (36, 3562796), (48, 2672097), (72, 1781398), (144, 890699), (691, 185616), (1289, 99504), (1382, 92808), (2073, 61872), (2578, 49752), (2764, 46404), (3867, 33168), (4146, 30936), (5156, 24876), (5528, 23202), (6219, 20624), (7734, 16584), (8292, 15468), (10312, 12438), (11056, 11601)]