81582540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{104593}}^1$

素因数の和:104618

約数の個数: 48

約数和(自身を含む): 246005088

約数和(自身を除く): 164422548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 104593, 209186, 313779, 418372, 522965, 627558, 1045930, 1255116, 1359709, 1568895, 2091860, 2719418, 3137790, 4079127, 5438836, 6275580, 6798545, 8158254, 13597090, 16316508, 20395635, 27194180, 40791270, 81582540]

約数ペア:

[(1, 81582540), (2, 40791270), (3, 27194180), (4, 20395635), (5, 16316508), (6, 13597090), (10, 8158254), (12, 6798545), (13, 6275580), (15, 5438836), (20, 4079127), (26, 3137790), (30, 2719418), (39, 2091860), (52, 1568895), (60, 1359709), (65, 1255116), (78, 1045930), (130, 627558), (156, 522965), (195, 418372), (260, 313779), (390, 209186), (780, 104593)]