2691040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1$

素因数の和:176

約数の個数: 72

約数和(自身を含む): 7038360

約数和(自身を除く): 4347320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 139, 160, 176, 220, 242, 278, 352, 440, 484, 556, 605, 695, 880, 968, 1112, 1210, 1390, 1529, 1760, 1936, 2224, 2420, 2780, 3058, 3872, 4448, 4840, 5560, 6116, 7645, 9680, 11120, 12232, 15290, 16819, 19360, 22240, 24464, 30580, 33638, 48928, 61160, 67276, 84095, 122320, 134552, 168190, 244640, 269104, 336380, 538208, 672760, 1345520, 2691040]

約数ペア:

[(1, 2691040), (2, 1345520), (4, 672760), (5, 538208), (8, 336380), (10, 269104), (11, 244640), (16, 168190), (20, 134552), (22, 122320), (32, 84095), (40, 67276), (44, 61160), (55, 48928), (80, 33638), (88, 30580), (110, 24464), (121, 22240), (139, 19360), (160, 16819), (176, 15290), (220, 12232), (242, 11120), (278, 9680), (352, 7645), (440, 6116), (484, 5560), (556, 4840), (605, 4448), (695, 3872), (880, 3058), (968, 2780), (1112, 2420), (1210, 2224), (1390, 1936), (1529, 1760)]