128071248

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^3\times {\mathrm{389}}^1$

素因数の和:457

約数の個数: 80

約数和(自身を含む): 350126400

約数和(自身を除く): 222055152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 361, 389, 456, 722, 778, 912, 1083, 1167, 1444, 1556, 2166, 2334, 2888, 3112, 4332, 4668, 5776, 6224, 6859, 7391, 8664, 9336, 13718, 14782, 17328, 18672, 20577, 22173, 27436, 29564, 41154, 44346, 54872, 59128, 82308, 88692, 109744, 118256, 140429, 164616, 177384, 280858, 329232, 354768, 421287, 561716, 842574, 1123432, 1685148, 2246864, 2668151, 3370296, 5336302, 6740592, 8004453, 10672604, 16008906, 21345208, 32017812, 42690416, 64035624, 128071248]

約数ペア:

[(1, 128071248), (2, 64035624), (3, 42690416), (4, 32017812), (6, 21345208), (8, 16008906), (12, 10672604), (16, 8004453), (19, 6740592), (24, 5336302), (38, 3370296), (48, 2668151), (57, 2246864), (76, 1685148), (114, 1123432), (152, 842574), (228, 561716), (304, 421287), (361, 354768), (389, 329232), (456, 280858), (722, 177384), (778, 164616), (912, 140429), (1083, 118256), (1167, 109744), (1444, 88692), (1556, 82308), (2166, 59128), (2334, 54872), (2888, 44346), (3112, 41154), (4332, 29564), (4668, 27436), (5776, 22173), (6224, 20577), (6859, 18672), (7391, 17328), (8664, 14782), (9336, 13718)]