7689690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2043

約数の個数: 48

約数和(自身を含む): 20468448

約数和(自身を除く): 12778758

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 1987, 3870, 3974, 5961, 9935, 11922, 17883, 19870, 29805, 35766, 59610, 85441, 89415, 170882, 178830, 256323, 427205, 512646, 768969, 854410, 1281615, 1537938, 2563230, 3844845, 7689690]

約数ペア:

[(1, 7689690), (2, 3844845), (3, 2563230), (5, 1537938), (6, 1281615), (9, 854410), (10, 768969), (15, 512646), (18, 427205), (30, 256323), (43, 178830), (45, 170882), (86, 89415), (90, 85441), (129, 59610), (215, 35766), (258, 29805), (387, 19870), (430, 17883), (645, 11922), (774, 9935), (1290, 5961), (1935, 3974), (1987, 3870)]