21192791280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88303297}}^1$

素因数の和:88303313

約数の個数: 40

約数和(自身を含む): 65697653712

約数和(自身を除く): 44504862432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88303297, 176606594, 264909891, 353213188, 441516485, 529819782, 706426376, 883032970, 1059639564, 1324549455, 1412852752, 1766065940, 2119279128, 2649098910, 3532131880, 4238558256, 5298197820, 7064263760, 10596395640, 21192791280]

約数ペア:

[(1, 21192791280), (2, 10596395640), (3, 7064263760), (4, 5298197820), (5, 4238558256), (6, 3532131880), (8, 2649098910), (10, 2119279128), (12, 1766065940), (15, 1412852752), (16, 1324549455), (20, 1059639564), (24, 883032970), (30, 706426376), (40, 529819782), (48, 441516485), (60, 353213188), (80, 264909891), (120, 176606594), (240, 88303297)]