81014820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1350247}}^1$

素因数の和:1350259

約数の個数: 24

約数和(自身を含む): 226841664

約数和(自身を除く): 145826844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1350247, 2700494, 4050741, 5400988, 6751235, 8101482, 13502470, 16202964, 20253705, 27004940, 40507410, 81014820]

約数ペア:

[(1, 81014820), (2, 40507410), (3, 27004940), (4, 20253705), (5, 16202964), (6, 13502470), (10, 8101482), (12, 6751235), (15, 5400988), (20, 4050741), (30, 2700494), (60, 1350247)]