69210880

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 167403600

約数和(自身を除く): 98192720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 389, 556, 640, 695, 778, 1112, 1280, 1390, 1556, 1945, 2224, 2780, 3112, 3890, 4448, 5560, 6224, 7780, 8896, 11120, 12448, 15560, 17792, 22240, 24896, 31120, 35584, 44480, 49792, 54071, 62240, 88960, 99584, 108142, 124480, 177920, 216284, 248960, 270355, 432568, 497920, 540710, 865136, 1081420, 1730272, 2162840, 3460544, 4325680, 6921088, 8651360, 13842176, 17302720, 34605440, 69210880]

約数ペア:

[(1, 69210880), (2, 34605440), (4, 17302720), (5, 13842176), (8, 8651360), (10, 6921088), (16, 4325680), (20, 3460544), (32, 2162840), (40, 1730272), (64, 1081420), (80, 865136), (128, 540710), (139, 497920), (160, 432568), (256, 270355), (278, 248960), (320, 216284), (389, 177920), (556, 124480), (640, 108142), (695, 99584), (778, 88960), (1112, 62240), (1280, 54071), (1390, 49792), (1556, 44480), (1945, 35584), (2224, 31120), (2780, 24896), (3112, 22240), (3890, 17792), (4448, 15560), (5560, 12448), (6224, 11120), (7780, 8896)]