1280075888

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{4603}}^1$

素因数の和:4822

約数の個数: 80

約数和(自身を含む): 3069136896

約数和(自身を除く): 1789061008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 191, 208, 364, 382, 728, 764, 1337, 1456, 1528, 2483, 2674, 3056, 4603, 4966, 5348, 9206, 9932, 10696, 17381, 18412, 19864, 21392, 32221, 34762, 36824, 39728, 59839, 64442, 69524, 73648, 119678, 128884, 139048, 239356, 257768, 278096, 418873, 478712, 515536, 837746, 879173, 957424, 1675492, 1758346, 3350984, 3516692, 6154211, 6701968, 7033384, 11429249, 12308422, 14066768, 22858498, 24616844, 45716996, 49233688, 80004743, 91433992, 98467376, 160009486, 182867984, 320018972, 640037944, 1280075888]

約数ペア:

[(1, 1280075888), (2, 640037944), (4, 320018972), (7, 182867984), (8, 160009486), (13, 98467376), (14, 91433992), (16, 80004743), (26, 49233688), (28, 45716996), (52, 24616844), (56, 22858498), (91, 14066768), (104, 12308422), (112, 11429249), (182, 7033384), (191, 6701968), (208, 6154211), (364, 3516692), (382, 3350984), (728, 1758346), (764, 1675492), (1337, 957424), (1456, 879173), (1528, 837746), (2483, 515536), (2674, 478712), (3056, 418873), (4603, 278096), (4966, 257768), (5348, 239356), (9206, 139048), (9932, 128884), (10696, 119678), (17381, 73648), (18412, 69524), (19864, 64442), (21392, 59839), (32221, 39728), (34762, 36824)]