81945720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{227627}}^1$

素因数の和:227644

約数の個数: 48

約数和(自身を含む): 266324760

約数和(自身を除く): 184379040

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, 227627, 455254, 682881, 910508, 1138135, 1365762, 1821016, 2048643, 2276270, 2731524, 3414405, 4097286, 4552540, 5463048, 6828810, 8194572, 9105080, 10243215, 13657620, 16389144, 20486430, 27315240, 40972860, 81945720]

約数ペア:

[(1, 81945720), (2, 40972860), (3, 27315240), (4, 20486430), (5, 16389144), (6, 13657620), (8, 10243215), (9, 9105080), (10, 8194572), (12, 6828810), (15, 5463048), (18, 4552540), (20, 4097286), (24, 3414405), (30, 2731524), (36, 2276270), (40, 2048643), (45, 1821016), (60, 1365762), (72, 1138135), (90, 910508), (120, 682881), (180, 455254), (360, 227627)]