78998520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{658321}}^1$

素因数の和:658335

約数の個数: 32

約数和(自身を含む): 236995920

約数和(自身を除く): 157997400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 658321, 1316642, 1974963, 2633284, 3291605, 3949926, 5266568, 6583210, 7899852, 9874815, 13166420, 15799704, 19749630, 26332840, 39499260, 78998520]

約数ペア:

[(1, 78998520), (2, 39499260), (3, 26332840), (4, 19749630), (5, 15799704), (6, 13166420), (8, 9874815), (10, 7899852), (12, 6583210), (15, 5266568), (20, 3949926), (24, 3291605), (30, 2633284), (40, 1974963), (60, 1316642), (120, 658321)]