81740460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1362341}}^1$

素因数の和:1362353

約数の個数: 24

約数和(自身を含む): 228873456

約数和(自身を除く): 147132996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1362341, 2724682, 4087023, 5449364, 6811705, 8174046, 13623410, 16348092, 20435115, 27246820, 40870230, 81740460]

約数ペア:

[(1, 81740460), (2, 40870230), (3, 27246820), (4, 20435115), (5, 16348092), (6, 13623410), (10, 8174046), (12, 6811705), (15, 5449364), (20, 4087023), (30, 2724682), (60, 1362341)]