78902940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1315049}}^1$

素因数の和:1315061

約数の個数: 24

約数和(自身を含む): 220928400

約数和(自身を除く): 142025460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1315049, 2630098, 3945147, 5260196, 6575245, 7890294, 13150490, 15780588, 19725735, 26300980, 39451470, 78902940]

約数ペア:

[(1, 78902940), (2, 39451470), (3, 26300980), (4, 19725735), (5, 15780588), (6, 13150490), (10, 7890294), (12, 6575245), (15, 5260196), (20, 3945147), (30, 2630098), (60, 1315049)]