81331860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{3019}}^1$

素因数の和:3480

約数の個数: 48

約数和(自身を含む): 228312000

約数和(自身を除く): 146980140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 449, 898, 1347, 1796, 2245, 2694, 3019, 4490, 5388, 6038, 6735, 8980, 9057, 12076, 13470, 15095, 18114, 26940, 30190, 36228, 45285, 60380, 90570, 181140, 1355531, 2711062, 4066593, 5422124, 6777655, 8133186, 13555310, 16266372, 20332965, 27110620, 40665930, 81331860]

約数ペア:

[(1, 81331860), (2, 40665930), (3, 27110620), (4, 20332965), (5, 16266372), (6, 13555310), (10, 8133186), (12, 6777655), (15, 5422124), (20, 4066593), (30, 2711062), (60, 1355531), (449, 181140), (898, 90570), (1347, 60380), (1796, 45285), (2245, 36228), (2694, 30190), (3019, 26940), (4490, 18114), (5388, 15095), (6038, 13470), (6735, 12076), (8980, 9057)]