1281390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{353}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 3389904

約数和(自身を除く): 2108514

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 121, 165, 242, 330, 353, 363, 605, 706, 726, 1059, 1210, 1765, 1815, 2118, 3530, 3630, 3883, 5295, 7766, 10590, 11649, 19415, 23298, 38830, 42713, 58245, 85426, 116490, 128139, 213565, 256278, 427130, 640695, 1281390]

約数ペア:

[(1, 1281390), (2, 640695), (3, 427130), (5, 256278), (6, 213565), (10, 128139), (11, 116490), (15, 85426), (22, 58245), (30, 42713), (33, 38830), (55, 23298), (66, 19415), (110, 11649), (121, 10590), (165, 7766), (242, 5295), (330, 3883), (353, 3630), (363, 3530), (605, 2118), (706, 1815), (726, 1765), (1059, 1210)]