1998120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{16651}}^1$

素因数の和:16665

約数の個数: 32

約数和(自身を含む): 5994720

約数和(自身を除く): 3996600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 16651, 33302, 49953, 66604, 83255, 99906, 133208, 166510, 199812, 249765, 333020, 399624, 499530, 666040, 999060, 1998120]

約数ペア:

[(1, 1998120), (2, 999060), (3, 666040), (4, 499530), (5, 399624), (6, 333020), (8, 249765), (10, 199812), (12, 166510), (15, 133208), (20, 99906), (24, 83255), (30, 66604), (40, 49953), (60, 33302), (120, 16651)]