15867990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1123}}^1$

素因数の和:1293

約数の個数: 48

約数和(自身を含む): 41556528

約数和(自身を除く): 25688538

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1123, 1413, 1570, 2246, 2355, 2826, 3369, 4710, 5615, 6738, 7065, 10107, 11230, 14130, 16845, 20214, 33690, 50535, 101070, 176311, 352622, 528933, 881555, 1057866, 1586799, 1763110, 2644665, 3173598, 5289330, 7933995, 15867990]

約数ペア:

[(1, 15867990), (2, 7933995), (3, 5289330), (5, 3173598), (6, 2644665), (9, 1763110), (10, 1586799), (15, 1057866), (18, 881555), (30, 528933), (45, 352622), (90, 176311), (157, 101070), (314, 50535), (471, 33690), (785, 20214), (942, 16845), (1123, 14130), (1413, 11230), (1570, 10107), (2246, 7065), (2355, 6738), (2826, 5615), (3369, 4710)]