66888075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 118186880

約数和(自身を除く): 51298805

約数列:

[1, 3, 5, 15, 19, 25, 57, 73, 75, 95, 219, 285, 365, 475, 643, 1095, 1387, 1425, 1825, 1929, 3215, 4161, 5475, 6935, 9645, 12217, 16075, 20805, 34675, 36651, 46939, 48225, 61085, 104025, 140817, 183255, 234695, 305425, 704085, 891841, 916275, 1173475, 2675523, 3520425, 4459205, 13377615, 22296025, 66888075]

約数ペア:

[(1, 66888075), (3, 22296025), (5, 13377615), (15, 4459205), (19, 3520425), (25, 2675523), (57, 1173475), (73, 916275), (75, 891841), (95, 704085), (219, 305425), (285, 234695), (365, 183255), (475, 140817), (643, 104025), (1095, 61085), (1387, 48225), (1425, 46939), (1825, 36651), (1929, 34675), (3215, 20805), (4161, 16075), (5475, 12217), (6935, 9645)]