64382820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1307}}^1$

素因数の和:2140

約数の個数: 48

約数和(自身を含む): 180629568

約数和(自身を除く): 116246748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 821, 1307, 1642, 2463, 2614, 3284, 3921, 4105, 4926, 5228, 6535, 7842, 8210, 9852, 12315, 13070, 15684, 16420, 19605, 24630, 26140, 39210, 49260, 78420, 1073047, 2146094, 3219141, 4292188, 5365235, 6438282, 10730470, 12876564, 16095705, 21460940, 32191410, 64382820]

約数ペア:

[(1, 64382820), (2, 32191410), (3, 21460940), (4, 16095705), (5, 12876564), (6, 10730470), (10, 6438282), (12, 5365235), (15, 4292188), (20, 3219141), (30, 2146094), (60, 1073047), (821, 78420), (1307, 49260), (1642, 39210), (2463, 26140), (2614, 24630), (3284, 19605), (3921, 16420), (4105, 15684), (4926, 13070), (5228, 12315), (6535, 9852), (7842, 8210)]