81641730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{51347}}^1$

素因数の和:51410

約数の個数: 32

約数和(自身を含む): 199641024

約数和(自身を除く): 117999294

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 51347, 102694, 154041, 256735, 308082, 513470, 770205, 1540410, 2721391, 5442782, 8164173, 13606955, 16328346, 27213910, 40820865, 81641730]

約数ペア:

[(1, 81641730), (2, 40820865), (3, 27213910), (5, 16328346), (6, 13606955), (10, 8164173), (15, 5442782), (30, 2721391), (53, 1540410), (106, 770205), (159, 513470), (265, 308082), (318, 256735), (530, 154041), (795, 102694), (1590, 51347)]