71738820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{398549}}^1$

素因数の和:398564

約数の個数: 36

約数和(自身を含む): 217608300

約数和(自身を除く): 145869480

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 398549, 797098, 1195647, 1594196, 1992745, 2391294, 3586941, 3985490, 4782588, 5978235, 7173882, 7970980, 11956470, 14347764, 17934705, 23912940, 35869410, 71738820]

約数ペア:

[(1, 71738820), (2, 35869410), (3, 23912940), (4, 17934705), (5, 14347764), (6, 11956470), (9, 7970980), (10, 7173882), (12, 5978235), (15, 4782588), (18, 3985490), (20, 3586941), (30, 2391294), (36, 1992745), (45, 1594196), (60, 1195647), (90, 797098), (180, 398549)]