8127990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6947}}^1$

素因数の和:6973

約数の個数: 48

約数和(自身を含む): 22761648

約数和(自身を除く): 14633658

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 6947, 13894, 20841, 34735, 41682, 62523, 69470, 90311, 104205, 125046, 180622, 208410, 270933, 312615, 451555, 541866, 625230, 812799, 903110, 1354665, 1625598, 2709330, 4063995, 8127990]

約数ペア:

[(1, 8127990), (2, 4063995), (3, 2709330), (5, 1625598), (6, 1354665), (9, 903110), (10, 812799), (13, 625230), (15, 541866), (18, 451555), (26, 312615), (30, 270933), (39, 208410), (45, 180622), (65, 125046), (78, 104205), (90, 90311), (117, 69470), (130, 62523), (195, 41682), (234, 34735), (390, 20841), (585, 13894), (1170, 6947)]