64637880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{538649}}^1$

素因数の和:538663

約数の個数: 32

約数和(自身を含む): 193914000

約数和(自身を除く): 129276120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 538649, 1077298, 1615947, 2154596, 2693245, 3231894, 4309192, 5386490, 6463788, 8079735, 10772980, 12927576, 16159470, 21545960, 32318940, 64637880]

約数ペア:

[(1, 64637880), (2, 32318940), (3, 21545960), (4, 16159470), (5, 12927576), (6, 10772980), (8, 8079735), (10, 6463788), (12, 5386490), (15, 4309192), (20, 3231894), (24, 2693245), (30, 2154596), (40, 1615947), (60, 1077298), (120, 538649)]