85757560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1879}}^1$

素因数の和:2060

約数の個数: 64

約数和(自身を含む): 221990400

約数和(自身を除く): 136232840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1304, 1630, 1879, 2282, 3260, 3758, 4564, 5705, 6520, 7516, 9128, 9395, 11410, 13153, 15032, 18790, 22820, 26306, 37580, 45640, 52612, 65765, 75160, 105224, 131530, 263060, 306277, 526120, 612554, 1225108, 1531385, 2143939, 2450216, 3062770, 4287878, 6125540, 8575756, 10719695, 12251080, 17151512, 21439390, 42878780, 85757560]

約数ペア:

[(1, 85757560), (2, 42878780), (4, 21439390), (5, 17151512), (7, 12251080), (8, 10719695), (10, 8575756), (14, 6125540), (20, 4287878), (28, 3062770), (35, 2450216), (40, 2143939), (56, 1531385), (70, 1225108), (140, 612554), (163, 526120), (280, 306277), (326, 263060), (652, 131530), (815, 105224), (1141, 75160), (1304, 65765), (1630, 52612), (1879, 45640), (2282, 37580), (3260, 26306), (3758, 22820), (4564, 18790), (5705, 15032), (6520, 13153), (7516, 11410), (9128, 9395)]