1345520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1$

素因数の和:174

約数の個数: 60

約数和(自身を含む): 3463320

約数和(自身を除く): 2117800

約数列:

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

約数ペア:

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