81540660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19141}}^1$

素因数の和:19224

約数の個数: 48

約数和(自身を含む): 231541632

約数和(自身を除く): 150000972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 19141, 38282, 57423, 76564, 95705, 114846, 191410, 229692, 287115, 382820, 574230, 1148460, 1359011, 2718022, 4077033, 5436044, 6795055, 8154066, 13590110, 16308132, 20385165, 27180220, 40770330, 81540660]

約数ペア:

[(1, 81540660), (2, 40770330), (3, 27180220), (4, 20385165), (5, 16308132), (6, 13590110), (10, 8154066), (12, 6795055), (15, 5436044), (20, 4077033), (30, 2718022), (60, 1359011), (71, 1148460), (142, 574230), (213, 382820), (284, 287115), (355, 229692), (426, 191410), (710, 114846), (852, 95705), (1065, 76564), (1420, 57423), (2130, 38282), (4260, 19141)]