81743790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{19889}}^1$

素因数の和:20036

約数の個数: 32

約数和(自身を含む): 197627040

約数和(自身を除く): 115883250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 274, 411, 685, 822, 1370, 2055, 4110, 19889, 39778, 59667, 99445, 119334, 198890, 298335, 596670, 2724793, 5449586, 8174379, 13623965, 16348758, 27247930, 40871895, 81743790]

約数ペア:

[(1, 81743790), (2, 40871895), (3, 27247930), (5, 16348758), (6, 13623965), (10, 8174379), (15, 5449586), (30, 2724793), (137, 596670), (274, 298335), (411, 198890), (685, 119334), (822, 99445), (1370, 59667), (2055, 39778), (4110, 19889)]