81901320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{682511}}^1$

素因数の和:682525

約数の個数: 32

約数和(自身を含む): 245704320

約数和(自身を除く): 163803000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 682511, 1365022, 2047533, 2730044, 3412555, 4095066, 5460088, 6825110, 8190132, 10237665, 13650220, 16380264, 20475330, 27300440, 40950660, 81901320]

約数ペア:

[(1, 81901320), (2, 40950660), (3, 27300440), (4, 20475330), (5, 16380264), (6, 13650220), (8, 10237665), (10, 8190132), (12, 6825110), (15, 5460088), (20, 4095066), (24, 3412555), (30, 2730044), (40, 2047533), (60, 1365022), (120, 682511)]