64209540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1619}}^1$

素因数の和:2292

約数の個数: 48

約数和(自身を含む): 180169920

約数和(自身を除く): 115960380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661, 1322, 1619, 1983, 2644, 3238, 3305, 3966, 4857, 6476, 6610, 7932, 8095, 9714, 9915, 13220, 16190, 19428, 19830, 24285, 32380, 39660, 48570, 97140, 1070159, 2140318, 3210477, 4280636, 5350795, 6420954, 10701590, 12841908, 16052385, 21403180, 32104770, 64209540]

約数ペア:

[(1, 64209540), (2, 32104770), (3, 21403180), (4, 16052385), (5, 12841908), (6, 10701590), (10, 6420954), (12, 5350795), (15, 4280636), (20, 3210477), (30, 2140318), (60, 1070159), (661, 97140), (1322, 48570), (1619, 39660), (1983, 32380), (2644, 24285), (3238, 19830), (3305, 19428), (3966, 16190), (4857, 13220), (6476, 9915), (6610, 9714), (7932, 8095)]