31811280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{132547}}^1$

素因数の和:132563

約数の個数: 40

約数和(自身を含む): 98615712

約数和(自身を除く): 66804432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 132547, 265094, 397641, 530188, 662735, 795282, 1060376, 1325470, 1590564, 1988205, 2120752, 2650940, 3181128, 3976410, 5301880, 6362256, 7952820, 10603760, 15905640, 31811280]

約数ペア:

[(1, 31811280), (2, 15905640), (3, 10603760), (4, 7952820), (5, 6362256), (6, 5301880), (8, 3976410), (10, 3181128), (12, 2650940), (15, 2120752), (16, 1988205), (20, 1590564), (24, 1325470), (30, 1060376), (40, 795282), (48, 662735), (60, 530188), (80, 397641), (120, 265094), (240, 132547)]