81337140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{451873}}^1$

素因数の和:451888

約数の個数: 36

約数和(自身を含む): 246723204

約数和(自身を除く): 165386064

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 451873, 903746, 1355619, 1807492, 2259365, 2711238, 4066857, 4518730, 5422476, 6778095, 8133714, 9037460, 13556190, 16267428, 20334285, 27112380, 40668570, 81337140]

約数ペア:

[(1, 81337140), (2, 40668570), (3, 27112380), (4, 20334285), (5, 16267428), (6, 13556190), (9, 9037460), (10, 8133714), (12, 6778095), (15, 5422476), (18, 4518730), (20, 4066857), (30, 2711238), (36, 2259365), (45, 1807492), (60, 1355619), (90, 903746), (180, 451873)]