291420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1619}}^1$

素因数の和:1634

約数の個数: 36

約数和(自身を含む): 884520

約数和(自身を除く): 593100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1619, 3238, 4857, 6476, 8095, 9714, 14571, 16190, 19428, 24285, 29142, 32380, 48570, 58284, 72855, 97140, 145710, 291420]

約数ペア:

[(1, 291420), (2, 145710), (3, 97140), (4, 72855), (5, 58284), (6, 48570), (9, 32380), (10, 29142), (12, 24285), (15, 19428), (18, 16190), (20, 14571), (30, 9714), (36, 8095), (45, 6476), (60, 4857), (90, 3238), (180, 1619)]