155770580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{8761}}^1$

素因数の和:8904

約数の個数: 48

約数和(自身を含む): 376836096

約数和(自身を除く): 221065516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8761, 8890, 17522, 17780, 35044, 43805, 61327, 87610, 122654, 175220, 245308, 306635, 613270, 1112647, 1226540, 2225294, 4450588, 5563235, 7788529, 11126470, 15577058, 22252940, 31154116, 38942645, 77885290, 155770580]

約数ペア:

[(1, 155770580), (2, 77885290), (4, 38942645), (5, 31154116), (7, 22252940), (10, 15577058), (14, 11126470), (20, 7788529), (28, 5563235), (35, 4450588), (70, 2225294), (127, 1226540), (140, 1112647), (254, 613270), (508, 306635), (635, 245308), (889, 175220), (1270, 122654), (1778, 87610), (2540, 61327), (3556, 43805), (4445, 35044), (8761, 17780), (8890, 17522)]