81135690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{19457}}^1$

素因数の和:19606

約数の個数: 32

約数和(自身を含む): 196136640

約数和(自身を除く): 115000950

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 19457, 38914, 58371, 97285, 116742, 194570, 291855, 583710, 2704523, 5409046, 8113569, 13522615, 16227138, 27045230, 40567845, 81135690]

約数ペア:

[(1, 81135690), (2, 40567845), (3, 27045230), (5, 16227138), (6, 13522615), (10, 8113569), (15, 5409046), (30, 2704523), (139, 583710), (278, 291855), (417, 194570), (695, 116742), (834, 97285), (1390, 58371), (2085, 38914), (4170, 19457)]