81741270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12329}}^1$

素因数の和:12369

約数の個数: 64

約数和(自身を含む): 223715520

約数和(自身を除く): 141974250

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 12329, 24658, 36987, 61645, 73974, 123290, 160277, 184935, 209593, 320554, 369870, 419186, 480831, 628779, 801385, 961662, 1047965, 1257558, 1602770, 2095930, 2404155, 2724709, 3143895, 4808310, 5449418, 6287790, 8174127, 13623545, 16348254, 27247090, 40870635, 81741270]

約数ペア:

[(1, 81741270), (2, 40870635), (3, 27247090), (5, 16348254), (6, 13623545), (10, 8174127), (13, 6287790), (15, 5449418), (17, 4808310), (26, 3143895), (30, 2724709), (34, 2404155), (39, 2095930), (51, 1602770), (65, 1257558), (78, 1047965), (85, 961662), (102, 801385), (130, 628779), (170, 480831), (195, 419186), (221, 369870), (255, 320554), (390, 209593), (442, 184935), (510, 160277), (663, 123290), (1105, 73974), (1326, 61645), (2210, 36987), (3315, 24658), (6630, 12329)]