81330840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{225919}}^1$

素因数の和:225936

約数の個数: 48

約数和(自身を含む): 264326400

約数和(自身を除く): 182995560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 225919, 451838, 677757, 903676, 1129595, 1355514, 1807352, 2033271, 2259190, 2711028, 3388785, 4066542, 4518380, 5422056, 6777570, 8133084, 9036760, 10166355, 13555140, 16266168, 20332710, 27110280, 40665420, 81330840]

約数ペア:

[(1, 81330840), (2, 40665420), (3, 27110280), (4, 20332710), (5, 16266168), (6, 13555140), (8, 10166355), (9, 9036760), (10, 8133084), (12, 6777570), (15, 5422056), (18, 4518380), (20, 4066542), (24, 3388785), (30, 2711028), (36, 2259190), (40, 2033271), (45, 1807352), (60, 1355514), (72, 1129595), (90, 903676), (120, 677757), (180, 451838), (360, 225919)]