1520007118

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 2771739648

約数和(自身を除く): 1251732530

約数列:

[1, 2, 7, 14, 23, 46, 107, 157, 161, 214, 281, 314, 322, 562, 749, 1099, 1498, 1967, 2198, 2461, 3611, 3934, 4922, 6463, 7222, 12926, 16799, 17227, 25277, 30067, 33598, 34454, 44117, 45241, 50554, 60134, 88234, 90482, 117593, 210469, 235186, 308819, 386377, 420938, 617638, 691541, 772754, 1014691, 1383082, 2029382, 2704639, 4720519, 4840787, 5409278, 7102837, 9441038, 9681574, 14205674, 33043633, 66087266, 108571937, 217143874, 760003559, 1520007118]

約数ペア:

[(1, 1520007118), (2, 760003559), (7, 217143874), (14, 108571937), (23, 66087266), (46, 33043633), (107, 14205674), (157, 9681574), (161, 9441038), (214, 7102837), (281, 5409278), (314, 4840787), (322, 4720519), (562, 2704639), (749, 2029382), (1099, 1383082), (1498, 1014691), (1967, 772754), (2198, 691541), (2461, 617638), (3611, 420938), (3934, 386377), (4922, 308819), (6463, 235186), (7222, 210469), (12926, 117593), (16799, 90482), (17227, 88234), (25277, 60134), (30067, 50554), (33598, 45241), (34454, 44117)]