78854520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{657121}}^1$

素因数の和:657135

約数の個数: 32

約数和(自身を含む): 236563920

約数和(自身を除く): 157709400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 657121, 1314242, 1971363, 2628484, 3285605, 3942726, 5256968, 6571210, 7885452, 9856815, 13142420, 15770904, 19713630, 26284840, 39427260, 78854520]

約数ペア:

[(1, 78854520), (2, 39427260), (3, 26284840), (4, 19713630), (5, 15770904), (6, 13142420), (8, 9856815), (10, 7885452), (12, 6571210), (15, 5256968), (20, 3942726), (24, 3285605), (30, 2628484), (40, 1971363), (60, 1314242), (120, 657121)]