12887880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{509}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 38923200

約数和(自身を除く): 26035320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 509, 633, 844, 1018, 1055, 1266, 1527, 1688, 2036, 2110, 2532, 2545, 3054, 3165, 4072, 4220, 5064, 5090, 6108, 6330, 7635, 8440, 10180, 12216, 12660, 15270, 20360, 25320, 30540, 61080, 107399, 214798, 322197, 429596, 536995, 644394, 859192, 1073990, 1288788, 1610985, 2147980, 2577576, 3221970, 4295960, 6443940, 12887880]

約数ペア:

[(1, 12887880), (2, 6443940), (3, 4295960), (4, 3221970), (5, 2577576), (6, 2147980), (8, 1610985), (10, 1288788), (12, 1073990), (15, 859192), (20, 644394), (24, 536995), (30, 429596), (40, 322197), (60, 214798), (120, 107399), (211, 61080), (422, 30540), (509, 25320), (633, 20360), (844, 15270), (1018, 12660), (1055, 12216), (1266, 10180), (1527, 8440), (1688, 7635), (2036, 6330), (2110, 6108), (2532, 5090), (2545, 5064), (3054, 4220), (3165, 4072)]