657293580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{28753}}^1$

素因数の和:28895

約数の個数: 72

約数和(自身を含む): 2009559552

約数和(自身を除く): 1352265972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2286, 2540, 3810, 4572, 5715, 7620, 11430, 22860, 28753, 57506, 86259, 115012, 143765, 172518, 258777, 287530, 345036, 431295, 517554, 575060, 862590, 1035108, 1293885, 1725180, 2587770, 3651631, 5175540, 7303262, 10954893, 14606524, 18258155, 21909786, 32864679, 36516310, 43819572, 54774465, 65729358, 73032620, 109548930, 131458716, 164323395, 219097860, 328646790, 657293580]

約数ペア:

[(1, 657293580), (2, 328646790), (3, 219097860), (4, 164323395), (5, 131458716), (6, 109548930), (9, 73032620), (10, 65729358), (12, 54774465), (15, 43819572), (18, 36516310), (20, 32864679), (30, 21909786), (36, 18258155), (45, 14606524), (60, 10954893), (90, 7303262), (127, 5175540), (180, 3651631), (254, 2587770), (381, 1725180), (508, 1293885), (635, 1035108), (762, 862590), (1143, 575060), (1270, 517554), (1524, 431295), (1905, 345036), (2286, 287530), (2540, 258777), (3810, 172518), (4572, 143765), (5715, 115012), (7620, 86259), (11430, 57506), (22860, 28753)]