79541980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1759}}^1$

素因数の和:1811

約数の個数: 96

約数和(自身を含む): 212889600

約数和(自身を除く): 133347620

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 119, 133, 140, 170, 190, 238, 266, 323, 340, 380, 476, 532, 595, 646, 665, 1190, 1292, 1330, 1615, 1759, 2261, 2380, 2660, 3230, 3518, 4522, 6460, 7036, 8795, 9044, 11305, 12313, 17590, 22610, 24626, 29903, 33421, 35180, 45220, 49252, 59806, 61565, 66842, 119612, 123130, 133684, 149515, 167105, 209321, 233947, 246260, 299030, 334210, 418642, 467894, 568157, 598060, 668420, 837284, 935788, 1046605, 1136314, 1169735, 2093210, 2272628, 2339470, 2840785, 3977099, 4186420, 4678940, 5681570, 7954198, 11363140, 15908396, 19885495, 39770990, 79541980]

約数ペア:

[(1, 79541980), (2, 39770990), (4, 19885495), (5, 15908396), (7, 11363140), (10, 7954198), (14, 5681570), (17, 4678940), (19, 4186420), (20, 3977099), (28, 2840785), (34, 2339470), (35, 2272628), (38, 2093210), (68, 1169735), (70, 1136314), (76, 1046605), (85, 935788), (95, 837284), (119, 668420), (133, 598060), (140, 568157), (170, 467894), (190, 418642), (238, 334210), (266, 299030), (323, 246260), (340, 233947), (380, 209321), (476, 167105), (532, 149515), (595, 133684), (646, 123130), (665, 119612), (1190, 66842), (1292, 61565), (1330, 59806), (1615, 49252), (1759, 45220), (2261, 35180), (2380, 33421), (2660, 29903), (3230, 24626), (3518, 22610), (4522, 17590), (6460, 12313), (7036, 11305), (8795, 9044)]