8217840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{353}}^1$

素因数の和:466

約数の個数: 80

約数和(自身を含む): 25810848

約数和(自身を除く): 17593008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 97, 120, 194, 240, 291, 353, 388, 485, 582, 706, 776, 970, 1059, 1164, 1412, 1455, 1552, 1765, 1940, 2118, 2328, 2824, 2910, 3530, 3880, 4236, 4656, 5295, 5648, 5820, 7060, 7760, 8472, 10590, 11640, 14120, 16944, 21180, 23280, 28240, 34241, 42360, 68482, 84720, 102723, 136964, 171205, 205446, 273928, 342410, 410892, 513615, 547856, 684820, 821784, 1027230, 1369640, 1643568, 2054460, 2739280, 4108920, 8217840]

約数ペア:

[(1, 8217840), (2, 4108920), (3, 2739280), (4, 2054460), (5, 1643568), (6, 1369640), (8, 1027230), (10, 821784), (12, 684820), (15, 547856), (16, 513615), (20, 410892), (24, 342410), (30, 273928), (40, 205446), (48, 171205), (60, 136964), (80, 102723), (97, 84720), (120, 68482), (194, 42360), (240, 34241), (291, 28240), (353, 23280), (388, 21180), (485, 16944), (582, 14120), (706, 11640), (776, 10590), (970, 8472), (1059, 7760), (1164, 7060), (1412, 5820), (1455, 5648), (1552, 5295), (1765, 4656), (1940, 4236), (2118, 3880), (2328, 3530), (2824, 2910)]