260726520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2172721}}^1$

素因数の和:2172735

約数の個数: 32

約数和(自身を含む): 782179920

約数和(自身を除く): 521453400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2172721, 4345442, 6518163, 8690884, 10863605, 13036326, 17381768, 21727210, 26072652, 32590815, 43454420, 52145304, 65181630, 86908840, 130363260, 260726520]

約数ペア:

[(1, 260726520), (2, 130363260), (3, 86908840), (4, 65181630), (5, 52145304), (6, 43454420), (8, 32590815), (10, 26072652), (12, 21727210), (15, 17381768), (20, 13036326), (24, 10863605), (30, 8690884), (40, 6518163), (60, 4345442), (120, 2172721)]