15856380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:795

約数の個数: 72

約数和(自身を含む): 48524112

約数和(自身を除く): 32667732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 643, 685, 822, 1233, 1286, 1370, 1644, 1929, 2055, 2466, 2572, 2740, 3215, 3858, 4110, 4932, 5787, 6165, 6430, 7716, 8220, 9645, 11574, 12330, 12860, 19290, 23148, 24660, 28935, 38580, 57870, 88091, 115740, 176182, 264273, 352364, 440455, 528546, 792819, 880910, 1057092, 1321365, 1585638, 1761820, 2642730, 3171276, 3964095, 5285460, 7928190, 15856380]

約数ペア:

[(1, 15856380), (2, 7928190), (3, 5285460), (4, 3964095), (5, 3171276), (6, 2642730), (9, 1761820), (10, 1585638), (12, 1321365), (15, 1057092), (18, 880910), (20, 792819), (30, 528546), (36, 440455), (45, 352364), (60, 264273), (90, 176182), (137, 115740), (180, 88091), (274, 57870), (411, 38580), (548, 28935), (643, 24660), (685, 23148), (822, 19290), (1233, 12860), (1286, 12330), (1370, 11574), (1644, 9645), (1929, 8220), (2055, 7716), (2466, 6430), (2572, 6165), (2740, 5787), (3215, 4932), (3858, 4110)]