30235760

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5641}}^1$

素因数の和:5721

約数の個数: 40

約数和(自身を含む): 71360016

約数和(自身を除く): 41124256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 5641, 11282, 22564, 28205, 45128, 56410, 90256, 112820, 225640, 377947, 451280, 755894, 1511788, 1889735, 3023576, 3779470, 6047152, 7558940, 15117880, 30235760]

約数ペア:

[(1, 30235760), (2, 15117880), (4, 7558940), (5, 6047152), (8, 3779470), (10, 3023576), (16, 1889735), (20, 1511788), (40, 755894), (67, 451280), (80, 377947), (134, 225640), (268, 112820), (335, 90256), (536, 56410), (670, 45128), (1072, 28205), (1340, 22564), (2680, 11282), (5360, 5641)]