120902015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2069}}^1$

素因数の和:2147

約数の個数: 32

約数和(自身を含む): 166924800

約数和(自身を除く): 46022785

約数列:

[1, 5, 13, 29, 31, 65, 145, 155, 377, 403, 899, 1885, 2015, 2069, 4495, 10345, 11687, 26897, 58435, 60001, 64139, 134485, 300005, 320695, 780013, 833807, 1860031, 3900065, 4169035, 9300155, 24180403, 120902015]

約数ペア:

[(1, 120902015), (5, 24180403), (13, 9300155), (29, 4169035), (31, 3900065), (65, 1860031), (145, 833807), (155, 780013), (377, 320695), (403, 300005), (899, 134485), (1885, 64139), (2015, 60001), (2069, 58435), (4495, 26897), (10345, 11687)]