123145520

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{10331}}^1$

素因数の和:10493

約数の個数: 40

約数和(自身を含む): 288262800

約数和(自身を除く): 165117280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 10331, 11920, 20662, 41324, 51655, 82648, 103310, 165296, 206620, 413240, 826480, 1539319, 3078638, 6157276, 7696595, 12314552, 15393190, 24629104, 30786380, 61572760, 123145520]

約数ペア:

[(1, 123145520), (2, 61572760), (4, 30786380), (5, 24629104), (8, 15393190), (10, 12314552), (16, 7696595), (20, 6157276), (40, 3078638), (80, 1539319), (149, 826480), (298, 413240), (596, 206620), (745, 165296), (1192, 103310), (1490, 82648), (2384, 51655), (2980, 41324), (5960, 20662), (10331, 11920)]