161397990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137947}}^1$

素因数の和:137973

約数の個数: 48

約数和(自身を含む): 451917648

約数和(自身を除く): 290519658

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, 137947, 275894, 413841, 689735, 827682, 1241523, 1379470, 1793311, 2069205, 2483046, 3586622, 4138410, 5379933, 6207615, 8966555, 10759866, 12415230, 16139799, 17933110, 26899665, 32279598, 53799330, 80698995, 161397990]

約数ペア:

[(1, 161397990), (2, 80698995), (3, 53799330), (5, 32279598), (6, 26899665), (9, 17933110), (10, 16139799), (13, 12415230), (15, 10759866), (18, 8966555), (26, 6207615), (30, 5379933), (39, 4138410), (45, 3586622), (65, 2483046), (78, 2069205), (90, 1793311), (117, 1379470), (130, 1241523), (195, 827682), (234, 689735), (390, 413841), (585, 275894), (1170, 137947)]